Basic Math question and answers for October 02, 2024
- Q What does the notation P(BIA) mean?Choose the correct answer below.O A. The probability of both event A and event B occurringOB. The probability of event A occurring, given that event...
- Q Explain how the complement can be used to find the probability of getting at least one item of a particular type.Choose the correct answer below.*****OA. The complement of "at least...
- Q A coin is tossed and an eight-sided die numbered 1 through 8 is rolled. Find the probability of tossing a tail and then rolling a number greater than 6.The probability...
- Q Decide whether the events shown in the accompanying Venn diagram are mutually exclusive. Explain your reasoning.Click the icon to view the Venn diagram.The eventsmutually exclusive, since there are*****movies that are...
- Q A factory claims a 4% defective rate on items produced. If a quality control engineer samples 25 items, what is the probability that 3 are defective? Express your answer to...
- Q The offices of president, vice president, secretary, and treasurer for an environmental club will be filled from a pool of 18 candidates. Eight of the candidates aremembers of the debate...
- Q The data collected for new students enrolled at a community college show that 23 are under the age of eighteen, 375 are between the ages of eighteen and twenty-two, 259...
- Q Amusic collection includes 16 rock CDs, 14 country CDs, 7 classical CDs, and 5 hip hop CDs.a. What is the probability that a CD randomly selected from the collection is...
- Q A bag contains letter tiles that spell the name of the state Arizona. Find the theoretical probability of drawing one tile at random for P(a).What is the probability that the...
- Q Use a t-test to test the claim about the population mean ? at the given level of significance a using the given sample statistics. Assume the population is normally distributed.Claim:...
- Q A music collection includes 13 rock CDs, 14 country CDs, 5 classical CDs, and 3 hip hop CDs.a. What is the probability that a CD randomly selected from the collection...
- Q 38% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she...
- Q 8. Based on their history, a hockey team has a 40% chance of winning any random game.a. What is the probability that this team will win both of their next...
- Q The amounts of time per workout an athlete uses a stair climber are normaly distributed, with a mean of 23 minutes and a standard deviation of 7 minutes. Use the...
- Q A private detective figures that he has a one in ten chance of recovering stolen property for his client. The expenses for the investigation will cost him $10,000, but the...
- Q Given A, B and C are events with P(A)= 0.33, P(B)=0.25, P(C)=0.5, P(A ? B)=0.17, P(A?C)= 0.11, P(B?C)= 0.15, and P(A?B?C)=0.02, find P(A?B ?C).
- Q An airline claims that there is 0.25 probability a randomly selected business traveler will check baggage. An agent at the check-in counter records whether each business traveler checks baggage. Explain...
- Q In a math class with 21 students, a test wasgiven the same day that an assignmentwas due. There were 14 students whopassed the test and 16 students whocompleted the assignment....
- Q A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooded balls. A ball is selected from the bag, its color noted, then replaced. You then...
- Q 2. Given A, B and C are mututally exclusive and exhaustive events with p(A)=0.3, p(B)=0.5, and p(C)=0.2.For an event G, we know that p(G|A)=0.8, p(G|B)=0.7, and p(G|C)=0.9. Find p(G).
- Q A group consists of 6 men and 5 women. Four people are selected to attend aconference. In how many ways can 4 people be selected from this group of 11?...
- Q Find the probability.A bag contains 9 red marbles, 3 blue marbies, and 4 green marbles. What is theprobability of choosing a blue marble when one marble is drawn?
- Q Provide an appropriate response. Express your answer as a simplified fraction unless otherwise noted.If P(A) = 0.45, P(B) = 0.25, and P(B|A) = 0.45, are A and B independent?yescannot determineno
- Q Given the following information:P(A) = 0.58P(B) = 0.46P(A and B) = 0.44P(B given A) = 0.76What is the probability of A or B? Round your answer to the nearest hundredth...
- Q You roll two standard 6-sided dice at the same time. What is the probability that the sum of the dice is not 8? Express your answer as a fraction in...
- Q Zach scores a ringer 40% of the time that he throws a horseshoe. Let R be the number of throws it takesZach to score his first ringer in a game....
- Q Determine if the following probability experiment represents a binomial experiment.A random sample of 15 middle school students is obtained, and the individuals selected are asked to state their heights.Choose the...
- Q A jar contains 5 pennies, 5 nickels and 6 dimes. A child selects 2 coins at random withoutreplacement from the jar. Let X represent the amount in cents of the...
- Q A radio station runs a promotion at an auto show with a money box with 14 $100 tickets, 11 $50 tickets, and 13 $25 tickets. The box contains an additional...
- Q A radio station runs a promotion at an auto show with a money box with 11 $100 tickets, 15 $50 tickets, and 15 $25 tickets. The box contains an additional...
- Q A shipment of 9 computers contains 4 with defects. Find the probability that a sample of size 4, drawn from the 9, will not contain a defective computerThe probability is(Type...
- Q A study reports that 61% of Americans support increased funding for public schools. If 3 Americans are chosen at random, what is the probability that:a) All 3 of them support...
- Q First, we need to test whether the two events are independent.Use X to denote the event described by "A person used Brand X," and G to describe the event "A...
- Q WANEFMAC7 8.2.047.MY NOTES ASK YOUR TEACHER PRACTICE ANOTA random sampling of chicken in supermarkets revealed that approximately 70% was contaminated with an organism. Of the contaminated chicken, 20% had the...
- Q In a brand recognition study, 1105 consumers knew of Exxon, and 41 did not. Use these results to estimate the probability that a randomly selected consumer will recognize Exxon.
- Q An American roulette wheel has 38 slots: two slotsare numbered 0 and 00, and the remaining slots arenumbered from 1 to 36. Find the probability thatthe ball lands in an...
- Q If P(E)=0.23, find the odds against E.What are the odds against E? Select the correct choice below and fill in the answer box(es) to complete your answer.A. The odds are...
- Q A study by researchers at a university addressed the question of whether the mean body temperature of an animal is 101.3F. Among other data, the researchers obtained the body temperatures...
- Q Estimate the sample size needed if no estimate of P is available.A sample of operations is needed to obtain a 99% confidence interval with a margin of error of 0.07...
- Q Akira wants to purchase his first new car and can select one option from each category.Engine TypeColorHybridBunt copperCobalt blueMeta coreenDraw a tree diagram to determine the sample space and find...
- Q Which of the following choices can be considered binomial random variables?Choose all answers that apply:BRoll a fair die 5 times and let X the number of rolls that land showing...
- Q After a late night of studying, Ebony decides to grab a latte before class so she can stay awake through her morning lecture. She hasfive-dollar bill, and a ten-dollar bill...
- Q 7. [-/1 Points] DETAILSFind the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT [See Example 1.]The sum is 3, given...
- Q Data on salaries in the public school system are published annually by a teachers' association. The mean annual salary of (public) classroom teachers is $58.9 thousand. Assume a standard deviation...
- Q A drawer contains 40 socks, out of which 20 are red, 5 are blue and 15 are green. A sock is drawn from it without looking.and then put back. The...
- Q Consider the following.A die is rolled 70 times with the following result: 1 and 2 never come up, 3 and 4 each come up 25 times, and 5 and 6...
- Q The modeling and solution of problems concerning motel reservation networks for motels were studied. Researchers defined a Type I call to be a call from a motel's computer terminal to...
- Q The probability is 0.3 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In six traffic fatalities, find the probability that the number, Y, which involve an...
- Q A packet of gummy candy contains two strawberry gums, four lime gums, four black currant gums, and two orange gums. April May sticks her hand in and selects six at...
- Q The probability is 0.4 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In ten traffic fatalities, find the probability that the number, Y, which involve an...
- Q Consider the following. HINT [See Examples 1-3.]Two indistinguishable dice are rolled; both numbers are prime. (A positive integer is prime if it is neither 1 nor a product of smaller...
- Q To choose the order of bands for the finals of a Battle of the Bands competition, Freddy puts a penny, a nickel, a dime, a quarter, and a half-dollar into...
- Q The number of pizzas consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 2.A. What precent of students consume betweem...
- Q A jar contains 4 red marbles numbered 1 to 4 and 6 blue marbles numbered 1 to 6. A marble is drawn atrandom from the jar. Find the probability of...
- Q Three marbles are drawn, one at a time and without replacement, from a bag that contains 14 marbles:4 red marbles4 blue marbles6 green marbles.What is the probability that all three...
- Q A random sampling of chicken in supermarkets revealed that approximately 80% was contaminated with an organism. Of the contaminated chicken, 20% had the strain that isresistant to antibiotics. Construct a...
- Q A company estimates that 0.8% of their products will fail after the original warranty period but within 2years of the purchase, with a replacement cost of $500.If they offer a...
- Q Jenelle draws one from a standard deck of 52 cards.Determine the probability of drawing either a jack or a ten?Write your answer as a reduced fraction.Answer =Determine the probability of...
- Q Calculate the relative frequency P(E) using the given information.Eight hundred adults are polled and 320 of them support universal health-care coverage. E is the event that an adult does not...
- Q 2. Lisa and Bart spin this spinner 60 times. The results are below:BlackBluePurple OrangeColor BlackTimes 17SpunBlue Orange Purple15217a) What is the experimental probability of a spin of orange?b) Which color...
- Q Compute the indicated quantity.P(A n B) =P(A) = 0.1, P(B) = 0.3. A and B are independent. Find P(An B).
- Q Compute the indicated quantity.P(A n B) =P(A) = 0.8, P(B) = 0.2. A and B are independent. Find P(A n B).
- Q Determine if the events Q and R are independent based on the following information. Round to two decimal places if necessary.P(Q) = 0.67P(R) = 0.22P(Q?R) = 0.15 Not enough information...
- Q Currently Samsung ships 23.2 percent of the organic light-emitting diode (OLED) displays in the world. Let S be the event that a randomly selected OLED display was made by Samsung.(a)...
- Q Determine whether the following experiment satisfy the conditions for a binomial probabilityexperiment.A ball is drawn from a bag containing 5 white and 8 red balls and then replaced. This is...
- Q According to a study done by De Anza students, the height for Asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5...
- Q Sandra bought a Mega Millions ticket for $10. 100 million tickets have been sold for the game. Oneticket is drawn for a $10 million prize money. What is the expected...
- Q Do one of the following, as appropriate: (a) Find the critical value Za/2, (b) find the critical value to/2. (c) state that neither the normal nor the t distribution applies.91%;...
- Q A company estimates that 0.6% of their products will fail after the original warranty period butwithin 2 years of the purchase, with a replacement cost of $300.If they offer a...
- Q The lifetime of batteries manufactured by aparticular company is normally distributedwith mean 100 hours and standard deviation25 hours. In a pack of 50 batteries, how manyare expected to have a...
- Q A successful basketball player has a height of 6 feet 6 inches, or 198 cm. Based on statistics from a data set, his height converts to the z score of...
- Q Suppose 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe. Suppose that the standard deviation...
- Q Given A, B, and C are events with p(~A)=0.35, p(B)=0.45, p(~ANB)=0.1, p(-ANC)-0.15, p(BNC)=0.20,p(~ANBNC)=0.05,and p(~AuBUC)=0.8, find p(C).
- Q How many cards must be drawn (without replacement) from a standard deck of 52 to guarantee that eight of the cards will be of the same suit.
- Q Madison has a bag with 30 red marbles and 5 green marbles. She chooses one at random. What are the odds in favor of her selecting a red marble? (Type...
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