Basic Math question and answers for October 03, 2024
- Q At a large high school outside of Chicago, there are two students running for class president, Ronald and Bo. 60% of the students in the school support Bo and the...
- Q A drug test is accurate 98% of the time. If the test is given to 2400 people who have not taken drugs, what is the probability that at most 50...
- Q Andre plays baseball for his university and has a batting average, the probability of successfully hitting the ball, of 0.310. If Andre has 42 turns at bat, what is the...
- Q A venture capitalist, willing to invest $1,000,000, has three investments to choose from. The first investment, a software company, has a 11% chance of returning $10,000,000 profit, a 45% chance...
- Q Ninety percent of individuals have brown/black hair, 8% of individuals have blond hair, and 2% of individuals have red hair. Suppose that of those with black/brown hair, 70% have blue...
- Q The Magazine Mass Marketing Company has received 12 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.5....
- Q A light bulb factory finds that 5 out of every 200 light bulbs are defective. If 5 bulbs are sampled, what's the probability of observing at most 1 defective bulbs?...
- Q Arrows An Olympic archer is able to hit the bull's-eye 80% of the time. Assume each shot isindependent of the others. If she shoots 6 arrows, what's the probability of...
- Q Coffee: The National Coffee Association reported that 65% of U.S. adults drink coffee daily. A random sample of 300 U.S. adults is selected. Round yourmanswers to at least four decimal...
- Q High blood pressure: The National Health and Nutrition Examination Survey reported that 34% of adults in the United States have hypertension (high bloodpressure). A sample of 300 adults is studied.Use...
- Q A ball is drawn randomly from a jar that contains 2 red balls, 7 white balls, and 8 yellow balls. Find theprobability of the given event, and show your answers...
- Q Frogs A wildlife biologist examines frogs for a genetic trait he suspects may be linked tosensitivity to industrial toxins in the environment. Previous research had established that this trait isusually...
- Q A hospital has 5 doctors (Dr. A, Dr. B, Dr. C, Dr. D and Dr. E). An administrator is going to randomly choose 2 of them to be on a...
- Q The last time Brea played softball, she hit the ball 35% of the times she was at bat. Based on this information, how many times will Brea hit the ball...
- Q According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled.a. What is the probability percentage that 121 or more Americans in the survey are...
- Q A school counts the number of students taking AMDM and find 205 students taking AMDM. They also count the number of students taking Physics and find 217 students taking the...
- Q A store has three employees who all work independently. Each employee has a 2% rate The store can't open if at of absenteeism. least 1 employee doesn't show up, what...
- Q Suppose the probability that an American owns a dog is 0.44, the probability that an American owns a cat is 0.29, and the probability that an American owns a cat...
- Q The National Coffee Association reported that 65% of U.S. adults drink coffee daily. A random sample of 300 U.S. adults is selected. Round your answers to at least four decimal...
- Q Coffee: The National Coffee Association reported that 61% of U.S. adults drink coffee daily. A random sample of 275 U.S. adults is selected. Round your answers to at least four...
- Q In a certain Algebra 2 class of 28 students, 23 of them play basketball and 12 of them play baseball. There are 3 students who play neither sport. What is...
- Q Which of the following values cannot be probabilities?0.01, 1.23, -0.56, 1, 3/5, 0, ?2, 5/3Select all the values that cannot be probabilities.A. 0.01B. 3/5C. 5/3D. -0.56E. 0F. ?2G. 1H. 1.23
- Q Below,n is the sample size, P is the population proportion, and P is the sample proportion. First, check if the assumptions are satisfied to use the normal distribution for probabilities....
- Q If a die is rolled one time, find the probability: P(greater than 3 or an odd number) =3/65/651/6
- Q Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 197, with a standard deviation of 38 (the units are milligrams per deciliter). A simple random sample of...
- Q A survey revealed that 50% of people are entertained by reading books, 31% are entertained by watching TV, and 19% are entertained by both books and TV.What is the probability...
- Q A math teacher gave her class two tests. 70% of the class passed both tests and 80% of the class passed the first test. What percent of those who passed...
- Q For dinner, Javier will choose one of four fish options and one of five side dishes. His choices for fish are salmon, trout, tilapia, or halibut. His choices for side...
- Q Suppose that 54% of all voters prefer the Democratic candidate. Let X be the number of people who preferthe candidate when 31 people are surveyed at random.Please show the following...
- Q A blood bank asserts that a person with type O blood and a negative Rh factor (Rh-) can donate blood to any person with any blood type. Their data showthat...
- Q A box contains & red shirts, 7 blue shirts, 10 red pants, and 15 blue pants. Determine the probability ofrandomly selecting a blue piece of clothing or a pair of...
- Q An ice chest contains 6 cans of apple juice, 8 cans of grape juice, 7 cans of orange juice, and 6 cans of mango juice. Suppose that you reach into...
- Q The table shows the outcome of car accidents in a certain state for a recent year by whether or not the driver wore a seat belt.Find the probability of not...
- Q The American Red Cross says that about 45% of the U.S. population has Type O blood, 40% Type A, 11% Type B, and the rest Type AB.a) Someone volunteers to...
- Q There are 5000 undergraduates registered at a certain college. Of them, 463 are taking one course, 660 are taking two courses, 564 are taking three courses, 1879 are taking four...
- Q A single die is rolled twice. Find the probability of rolling an even number the first time and a number greater than 3 the second time. Find the probability of...
- Q The numbered disks shown are placed in a box and one disk is selected at random. Find the probability of selecting a 2, given that a blue disk is selected.Find...
- Q An ice chest contains five cans of apple juice, four cans of grape juice, five cans of orange juice, and six cans of mango juice. Suppose that you reach into...
- Q You and a group of friends are going to a five-day outdoor music festival during spring break. You hope it does not rain during the festival, but the weather forecast...
- Q A geologist has collected 25 specimens of basaltic rockand and 16 specimens of granite. The geologist nstructs a laboratory assistant to randomly select 10 ofthe specimens for analysis.(a) What is...
- Q The principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a student's alarm clock has a 17.1% daily failure rate. Complete parts...
- Q Tay-Sachs disease (TS) is a fatal, recessive genetic disorder in which harmful quantities of a fatty waste substance accumulate in the brain, slowly progressing to death by age five. TS...
- Q The prizes at a carnival tossing game are different stuffed animals. There are 34 tigers, 27 bears, 12 hippopotamuses, 16 giraffes, and 22 monkeys. The carnival manager randomly selects a...
- Q Two students will draw cards from a Deck. After the first student selects a card, this card is put back on the deck, before the second student selects a card....
- Q Probability, p, is a quantitative measure of how likely an event is to occur.Each of the subsequent questions details the likelihood of an event occurring. For each one, choose the...
- Q The table below shows the soft drinks preferences of people in three age groups.If one of the 255 subjects is randomly selected, find the probability that the person is over...
- Q The 2011 National Youth Risk Behavior Survey provides insight on the physical activity of high school students in the United States. More than 15,000 high schoolers were asked, "During the...
- Q A teacher has 25 students, and he wants to select two students for a pop quiz. To randomly select these two students, the teacher uses his calculator to generate a...
- Q A couple wants to have three children. Assume that the probabilities of a newborn being male or female are the same and that the gender of one child does not...
- Q For the use of a test for a certain disease, the sensitivity is 0.93, the specificity is 0.94, and the prevalence is 0.005.a. Given that a test is positive, find...
- Q A baseball player's batting average is the quotient of the number of hits and the number of times at bat. During the 2001 Major League Baseball season, Ichiro Suzuki of...
- Q Select all of the statements that are axioms of probability.The probability of any event is between 0 and 1 inclusively.If two events A and B are mutually exclusive (disjoint), then...
- Q Out of 40 boys, 23 have dark hair, 18 have brown eyes, and 26 have dark hair, brown eyes or both.a Draw a Venn diagram to display this information.b One...
- Q Six papers are placed in a bag with names written on them. The names are: Lin, Mai,Mai, Noah, Priya, and Priya. If one name is chosen at random, what is...
- Q A university class has 22 students: 3 are psychology majors, 9 are business majors, and 10 are history majors. The professor is planning to select two of the students for...
- Q A binomial experiment with probability of success p=0.45 and n=5 trials is conducted. What is the probability that the experiment results in exactly 3 successes?
- Q In a lottery, the top cash prize was $655 million, going to three lucky winners. Players pick four different numbers from 1 to 52 and one number from 1 to...
- Q Assume that random guesses are made for six multiple choice questions on an SAT test, so that there are n= 6 trials, each with probability of success (correct) given by...
- Q At a dental office, the probability a patient needs a cleaning is 0.66. The probability a patient needs a filling is 0.45. Assuming the events "needs a cleaning" and "needs...
- Q What is your probability of winning given this situation: You are trying to win a stuffed animal. You have to hit a target two times in a row to win....
- Q From previous records, it is known that a particular city can expect 1 hurricane every 4 years in the month of September. Use the Poisson probability equation to determine the...
- Q According to the Neilson Company, approximately 30% of all US households hada digital video recorder (DVR) in their homes in 2008. Suppose a random sample of 15 households are taken....
- Q Let x determine a random variable, and use your knowledge of probability to prepare a probability distribution. A family has four children and the number of girls is recorded. (Assume...
- Q A statistics student takes a pop quis that consists of three true false questions. Let's consider the experiment to be the answering of three questions where each can be either...
- Q About 30% of human twins are identical, and the rest are fraternal. Identical twins are necessarily the same sex - half are males and the other half are females. One-quarter...
- Q A binomial experiment with probability of success p=0.79 and n=8 trials is conducted. What is the probability that the experiment results in more than 6 successes? Do not round your...
- Q A binomial experiment with probability of success p=0.7 and n=7 trials is conducted. What is the probability that theexperiment results in exactly 2 successes?Do not round your intermediate computations, and...
- Q The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 70% of planted seeds will germinate. Suppose the manufacturer is correct. If 9 seeds planted with the...
- Q Now suppose we wants to analyze the probability of going into the bowl twice selecting a yellow M & M on both selections. Here we have an and statement, it...
- Q It is known that 77% of all travelers at an airport are domestic travelers (stayingwithin the U.S.) while the rest are international travelers. If two travelers arerandomly selected, what is...
- Q A survey of 50 NYU College students revealed that 5 liked Statistics class. What is the probability of selecting a NYU Student at random based on these results and he/she...
- Q A survey of 100 Mercy students revealed 20 freshmen of which 4 had student debt; 25 sophmores of which 10 had student debt; 15 juniors of which 8 had student...
- Q Select the correct definition of an experiment from the choices below.An official survey given to every member of a population in order to collect information about each individual.A study where...
- Q After becoming sick, a patient sees a doctor, who determines the most likely cause is an allergic reaction; the doctor prescribesan antihistamine. The patient returns home and stops burning candles...
- Q Which choice best describes a simple random sample?when a population is first sorted into comparable groups, groups are randomly chosen, and all of the individualsfrom those groups are chosena selection...
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