Basic Math question and answers for October 08, 2024
- Q Makayla has a bag that contains orange chews, cherry chews, and watermelon chews.She performs an experiment. Makayla randomly removes a chew from the bag,records the result, and returns the chew...
- Q Use the following statement to answer parts a) and b). Two hundred raffle tickets are sold for $3 each. One prize of $400 is to be awarded. Winners do not...
- Q A TV studio has brought in 7 boy kittens and 9 girl kittens for a cat food commercial.The director is going to choose 6 of these kittens at random to...
- Q Find a 95% confidence interval for the mean of the length of fishes in a pond based on the sample below. The measurements are in inches.5, 6, 6, 7, 9,...
- Q In an article on Flurry Blog, agaming marketing gap for menbetween the ages of 30 and 40 isidentified. You are researching astartup game targeted at the 35-year-old demographic. Your ideais...
- Q Al Gorithm is going on vacation. He is in his room trying to decide what outfits he wants to bring. He has a total of 50 shirts and 10 shorts....
- Q The numbers 1 through 8 are written in separate slips of paper, and the slips are placed into a box. Then, 4 of these slips are drawn at random.What is...
- Q Find each probability. Express the result as a decimal rounded to the nearest thousandth and then as a reduced fraction. a). Given P(A) = 0.4 and P(B) = 0.2. If...
- Q A fair die is rolled 6 times. What is the probability of having no 1 and no 2 among the rolls? Round your answer to three decimal places.
- Q A fair die is rolled 6 times. What is the probability that a 4 is obtained on at least one of the rolls? Round your answer to three decimal places.
- Q The table below cross classifies the price of 486 stocks in a particular stock exchange, with whether the earnings per share ratio was positive or not. Use the data in...
- Q A citizen's delegation to Queen's Park is to be formed by selecting ten names at random from a box. The box contains the names of 20 citizens from Bolton, and...
- Q Whenever Nicole rents a movie from iTunes, the probability that it will be a comedy is 52%. Of the next seven movies she rents, what is the probability that she...
- Q A bean bag is randomly thrown onto the square table top shown and does not touch a line. Determine the probability that the bean bag lands on a green area.P(green)=__________
- Q Each individual letter of the word Oklahoma is placed on a piece of paper, and all 8 pieces of paper are placed in a hat. If one letter is selected...
- Q Betty has several of the standard six-sided dice that are common in many board games. If Betty rolls one of these dice, what is the probability that:She rolls a three....
- Q Fill in the blank.If n(E1 and E2) = 4 and n(E1) = 16, then P(E2 | E1) = _______.If n(E1 and E2) = 4 and n(E1)= 16, then P(E2 |...
- Q The table shows the results of a survey of patrons of a particular restaurant chain.Meals Good Service Poor Service ...
- Q A computer salesperson at Best Buy claims that she has a 18% chance of selling a computer when helping out a customer. If this is true and she talks to...
- Q A deck of cards is randomly dealt by the computer during a game of Spider Solitaire. Find the probability (as a reduced fraction)the first card dealt is(a) A 4 or...
- Q An experimental serum was injected into 500 guinea pigs. Initially, 50 of the guinea pigs had circular cells, 125 had elliptical cells, and 325 had irregular cells. After the serum...
- Q Suppose that each circle is equally likely to be selected. One circle is selected at random. Determine the probability indicated.P (- |white circle obtained)
- Q In a study by the Department of Transportation, there were a total of 84 drivers that were pulled over for speeding. Out of those 84 drivers, 34 were men who...
- Q Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing 3 green, 5 yellow, and 2 red marbles such that both marbles are yellow.?...
- Q Let X1, X2,..., Xm be independent and identically distributed random variables, each following the Bernoulli(p) distribution, and let X = X_1 + X_2 + ... + X_m. Which one of...
- Q Heights of fourth-graders are normally distributed with a mean of 52 inches and a standard deviation of 3.5 inches. Find the probability that a randomly selected fourth-grader is taller than...
- Q Determine whether the following number can possibly be probability. Write "YES" for yes and "NO" for no. (without quotations)(a) -2.1answer: (b) 3.2answer: (c) 0.2answer: (d) 1answer: (e) 1/3answer: (f) 0answer:
- Q Polygraph tests have an accuracy rate of about 85%. This means that it will detect 85% of people who lie and 85% of people who are telling the truth. A...
- Q Consider the wheel to the right. If the wheel is spun and each section is equally likely to stop under the pointer, determine the probability that the pointer lands on...
- Q Probability problems that contain the words and or or are considered probability problems.Probability problems that contain the words and or or are considered__________probability problems.a)mutually exclusiveb)dependent eventc)independent eventd)compound
- Q One hundred people were surveyed, and one question pertained to their educational background. The results of this question and their genders are given in the following table. ...
- Q The table below shows the 10 most popular destinations for college students from Country X studying abroad for the 2008-2009 school year. If a student were selected at random from...
- Q A container holds 2 yellow balls and 4 red balls. A ball will be drawn, its color noted, and replaced. A second ball will be drawn, and its color recorded....
- Q Assume that a hat contains four bills: a $1, a $5, a $10, and a $20 bill. Two bills are to be selected at random with replacement. Find the probability...
- Q Find the indicated conditional probability using the following two-way table:Grade Drive to school Take the bus ...
- Q A local restaurant manager wants to survey customers about the service they receive. Each night the manager randomly chooses a number between 1 and 10. He then gives a survey...
- Q In a survey of families, the following data were obtained relating to the number of pets in their household:Number of pets ...
- Q Three computers are chosen at random from an inventory of Dell and Acer computers for a bookstore display. Assume the same number each brand of computers is in stock. Find...
- Q Inside a bag there are 3 green balls, 2 red balls and 2 yellow balls. Two balls are randomly drawn without replacement. Calculate the probability of drawing one green ball...
- Q Find the probability for the experiment of selecting one card from a standard deck of 52 playing cards such that the card is a 10 or higher (aces are low).4/1311/139/2612/133/13
- Q Describe how and when to use multiplication rule 1, P (A and B)=P(A) . P(B), and how and when use multiplication rule 2, P(A and B) = P(A) P(B, given...
- Q Let X and Y be two continuous random variables with joint probability density functionf(x,y) = 12/5xy(1+y) for 0 ?x ?1 and 0 ? y ? 1 Find the probability...
- Q Different shapes are drawn on cards and then the cards are placed in a bag. The number of cards for each shape is shown in the table.Shape ...
- Q Using the formula for binomial distribution, P(x) = (n x)px qn-x.What would the value of q be in the given scenario?When rolling a die 20 times, what is the probability...
- Q An airline is planning its staffing needs for the next year. If a new route is approved, it will hire 935 new employees. If a new route is not granted,...
- Q A speaker is talking about the principle of charity, and suggests that a personwho is truly charitable will offer money to someone in need unreservedly. Heillustrates this by saying that...
- Q Sam's Pizza advertises that their delivery times are the best in town. If their delivery times are normally distributed with mean 30 minutes and standard deviation 5 minutes, what is...
- Q A drug testing company advertises a test for steroids that is 94.5% effective at detecting steroid use. It has a true negative effectiveness of 94%. Suppose 12% of 10,000 professional...
- Q Use common sense to determine whether the given event is impossible; possible, but very unlikely; or possible and likely.A solar eclipse occurs on your birthday.ImpossiblePossible, but very unlikelyPossible and likely
- Q For the two circumstances below, explain which type of probability (empirical,subjective, theoretical) is being used to make the prediction. If more than onetype of probability is involved, explain which elements...
- Q A six-sided number cube is tossed and a coin is flipped. The sample space is {1H, 2H, 3H, 4H, 5H, 6H, 1T, 2T, 3T, 4T, 5T, 6T}. What is the...
- Q Out of 35 students, 14 pick apples as their favorite snack, 21 pick M&M's as their favorite snack, and 10 choose both. (Leave answers in fraction form. Do notreduce.a. Fill...
- Q Angela has 5 fish. When she feeds them, she collects data on which fish eats first. Look at her data. ...
- Q Suppose that, in a certain population, 25% of adults are regular smokers. Of the smokers, 18.3% develop emphysema, while of the nonsmokers, 0.9% develop emphysema. An adult from this population...
- Q The probabilities of events E, F, and E?F are given below. Find (a) P(EIF), (b) P(FIE), (c) P (EIF'), and (d) P (FIE').P(E) = 0.5, P(F) = 0.6, P(E?F) =...
- Q Sample space S is partitioned into E?, E?, and E? such that P(E?)= 1/6 and P(E?)= 1/8a) Find P(E?).b) Find the odds in favor of and the odds against E?...
- Q Two fair 6-sided dice are rolled. Let A = the event that the dice add to 8, and let B = the event that the dice add to an even...
- Q In a batch of 21 pedometers, 3 are believed to be defective. A quality-control engineer randomly selects 6 units to test. Let random variable X= the number of defective units...
- Q Nico's Nuts buys a blend of peanuts and cashews from 2 vendors, with 65% coming from Brasstown farms and the rest from Rabun farms. The blend from Brasstown is 80%...
- Q Ne Find k such that the function is a probability density function over the given interval. Then write the probability density function.f(x)=kx, 4?x?7What is the value of k?k= (Simplify your...
- Q There is a 25% chance the high school lacrosse team will win its game this week and a 56% chance the high school gymnastics team will win its meet this...
- Q In one town, 68% of adults have health insurance.a. What is the probability that 6 adults selected at random from the town all have health insurance?(Assume the population is large...
- Q (a) From the 13 albums released by a musician, the recording company wishes to release 10 in a boxed set. How many different boxed sets are possible?(b) 71 athletes are...
- Q A golf ball is selected at random from a golf bag. The golf bag contains the following golf ball brands: 9 Titleists, 8 Maxflis, and 3 Top-Flites. Find the probability...
- Q One option in a roulette game is to bet $9 on red. (There are 18 red compartments, 18 black compartments, and two compartments that are neither red nor black.) If...
- Q An oil company is considering two sites on which to drill. The sites are described in the following table. Complete parts (a) through (b) below.Site A: Profit if oil is...
- Q The mathematics department of a college has 14 male professors, 6 female professors, 8 male teaching assistants, and 9 female teaching assistants. If a person isselected at random from the...
- Q Answer the question, considering an event to be "unlikely" if its probability is lessthan or equal to 0.05.Is it unlikely to get 11 when a pair of dice is rolled?YesNo
- Q The mathematics department of a college has 9 male professors, 9 female professors, 8 male teaching assistants, and 15 female teaching assistants. If a person isselected at random from the...
- Q Lottery: In the New York State Numbers lottery, you pay $2 and can bet that the sum of the numbers that come up is 13. Theprobability of winning is 0.08,...
- Q Suppose that E and F are two events and that N(E and F) = 450 and N(E)=810. What is P(FIE)?
- Q Lenny's favorite radio station has this schedule:news: 19 min.commercials: 4 min.music: 37 min.If Lenny chooses a time of day at random to turn on the radio to his favorite station,...
- Q There is a traffic light at the intersection of Elm Street and Rose Street. The traffic light on Elm Street follows a cycle. It is green for 20 seconds, yellow...
- Q Suppose you just received a shipment of thirteen televisions. Four of the televisions are defective. If two televisions are randomly selected, compute the probability thatboth televisions work. What is the...
- Q There is a traffic light at the intersection of Walnut Street and Lawrence Avenue. The traffic light on Walnut Street follows a cycle. It is green for 50 seconds, yellow...
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