Basic Math question and answers for October 06, 2024
- Q A given student in the sophomore class has an equal chance of being in room 1, 2, 3, 4, or 5 in any of her six classes. If A is...
- Q The guidance department has reported that of the senior class, 2.3% aremembers of Key Club, K, 8.6% are enrolled in AP Physics, P, and 1.9% arein both. What is the...
- Q On a particular day, the mean price of gasoline was $3.63 a gallon with a standard deviation of $0.20 a gallon. What Isthe probability that a gas station has a...
- Q Let z represent the calculated z-score. If your critical z-score is 1.96, when do you reject the null hypothesis for a two-talled test?When z < 1.96When z> 1.96When z> -1.96...
- Q The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean...
- Q Students are raising money for a charity by asking for donations at a supermarket. The likelihood that a customer will donate is P(A) = 0.15. If students approach ten customers,...
- Q Broderick is playing a game where he must roll a number cube. The faces of the number cube are labeled 1 through 6. If Broderick rolls a 6 on the...
- Q GIVEN: P(A) = 0.4 andP(B) = 0.35If the probability of P(B?A) = 0.75, are events A and B independent?a) No, becauseP(A) P(B) ? 0.75b) Yes, becauseP(A) P(B) = 0.75c) No,...
- Q A jar contains 3 red, 5 green, 2 blue and 6 yellow marbles. A marble is chosen at random from the jar. After replacing it, a second marble is chosen....
- Q Which of the following illustrates the probability of the complement A' of an event A?P(A')=1-P(A)P(A) = 1- P(A')A=P(A) + P(A')A=P(A) P(A').
- Q The following options are available for Inline skates. White, pink, yellow, blueTassels, striped, bells, straps. Three, four, five wheelsWhat is the probability of selecting a skate with three wheels, assuming...
- Q A hockey goaltender has a save percentage of 0.920. This means that the probability of any single shot taken on the goaltender being a goal is 0.08. What would be...
- Q Jess is baking ten batches of cookies for a bake sale. Each cookle batch has 10% probability of being burned. If A is the event that a cookle batch is...
- Q The probability of a rainy day in November is 0.44. What is the probability that it rains four days in a row in November?0.0370.441.320.85
- Q A twelve-sided number cube has numbers 1-12 labeled on each side. If you roll the number cube twice, what is the probability of getting a pair of doubles?1/121/1441/21/6
- Q Two students at an elementary school are to be selected at random from a group of twelve kindergartners, eight first- grade students, and five second-grade students. What is the probability...
- Q Two siblings, Alex and Brian, play a game three times in which each has an equal probability of winning. If A Is the event that Brian wins a game, what...
- Q A card is chosen at random from a deck of 52 cards. It is then replaced and a second card is chosen. What is the probability of choosing a jack...
- Q A deck of thirty cards consists of ten red, ten yellow, and ten orange cards. If five cards are drawn, what is the probability of selecting five red cards?
- Q In a class of 22 students, 5 have a brother and 13 have a sister. There are 2 students who have a brother and a sister. What is the probability...
- Q Jess is baking ten batches of cookies for a bake sale. For every batch of 10 cookles, there is a 0.9 probability that no cookies will be burned. What is...
- Q You are ordering three boxes colored red, orange, and blue from left to right. What is the probability that the box on the left is orange, and the middle one...
- Q There are 16 nominees in the 2021 Rock and Roll Hall of Fame class. 11 of them began their recording careers prior to 1985. 6 of these nominees will be...
- Q A hotel has four elevators. One of them is a freight elevator. When pressing the button, one of the elevators randomly services your floor. If you use the elevators seven...
- Q On the back of most credit cards is a three-digit Card Verification Code (CVC). If the credit card companies are considering using letters A-Z and numbers 0-9 to improve security,...
- Q Seven students are selling candy bars to raise money for a school trip. Assume all students have an equal chance ofselling the greatest number of candy bars. What is the...
- Q Twenty students entered an art contest, at which first, second, and third prizes would be given. If the same studentsentered the contest four years in a row, what is the...
- Q A deck of cards consists of ten red, ten blue, ten yellow, and ten green cards. If five cards are selected, find the probability of selecting four red cards and...
- Q Alex and Brian play a game three times, during which each has an equal probability of winning. What is the probabilitythat Brian will win at least one game?0.8750.750.250.125
- Q The probability that a tornado will hit Town D in any given year is 0.05. If A is the event that a tornado hits Town D in a given year,...
- Q The probability that it will rain on October 24 Is 0.13. What is the probability that it will rain five years in a row on October 24?0.00003710.130007.000000.000287
- Q A deck of twelve cards consists of five green cards, four purple cards, and three yellow cards. What is the probability of being dealt a hand with two green cards,...
- Q Common test generators have the writer provide four possible answers. Then the test generator creates different versions of the test, randomly assigning the correct answer to a letter. There are...
- Q There are two administrators, eight faculty, and six staff members for a committee. If a subcommittee of four is formed, what is the probability of selecting one administrator, two faculty,...
- Q An online account provides a randomly generated PIN consisting of digits from zero to nine. The digits can be repeated.What is the probability all four digits being the same?1/101/1001/1,0001/10,000
- Q The probability of rain for March 13 is 0.35. What is the probability that it will on March 13 for four years in a row?0.35000.12251.4000.0150
- Q In a factory that has been accident-free for a month, the employees enter a drawing to win gift cards. If the same five workers are in the drawing each month,...
- Q Five years after 650 high school seniors graduated, 400 had a college degree and 310 were married. Half of the students with a college degree were married. What is the...
- Q The Robotics Club at Wickliffe High School has sixteen members of whom five are seniors, six are juniors, three are sophomores, and two are freshmen. What is the probability that...
- Q There are ten teachers and sixty students in the student government of a high school and only five people are chosento be on the committee. Which of the following shows...
- Q You are setting up a trophy display with eight out of twelve trophies for your school. Any trophy can fit anywhere in the display, but the principal has Instructed you...
- Q We are ordering two out of three boxes colored red, green, and blue from left to right. What is the probability that the box on the left is green?1/31/61/21/4
- Q You select four fruits at random from a pile with half grape bunches and half banana bunches. If X Is the number of grape bunches that appear, what is the...
- Q A charity group has a raffle where fifty tickets are handed out. Six members of a family each receive a ticket. If there are three prizes awarded, what is the...
- Q There are ten color cholces for a car. The other cholces are with or without a sunroof, with or without a spoller, and with or without leather seats. What is...
- Q A survey of 200 people included 90 females. It found that 60 people smoked, 40 of whom were male.Use the given information to complete a table: if a person is...
- Q A pair of number cubes Is rolled once. What Is the probability of rolling doubles? Assume the number cubes are fair.1/361/181/61/2
- Q You bought seven different frults at the grocery store and are setting five of them on the kitchen counter at home. What Is the probability that the first three are...
- Q A coin is flipped four times. What is the probability of getting four heads? Assume the coln is equally likely to land on a head versus a tail.
- Q You are pulling four marbles of different colors out of a bag. What is the probability that the first one will be red and the second green?1/121/41/81/24
- Q The options for a dessert are chocolate, vanilla, and strawberry Ice cream, with chocolate, strawberry, and caramel toppings. What is the probability that vanilla Ice cream with strawberry topping is...
- Q 44% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use...
- Q In the example of rats playing musical chairs, how would the probability of a certain rat being in a certain chair change in the case of five rats and four...
- Q In a survey of women in a certain country (ages 20-29), the mean height was 65.4 inches with a standard deviation of 2.77 inches. Answer the following questions about the...
- Q Max sleeps in 4 out of 5 days in a week. If he wakes up late, the probability that he's late for school is 9/10. If he doesn't wake up...
- Q A box has four cards numbered 1, 2, 3, and 4 Rafael will toss a coin once and record the toss as heads (H) or tails (T). Then he will...
- Q Suppose that a family has 4 children. If the probability of having a girl Is 0.5, which simulation could be used to simulatethe probability of having all girls? What is...
- Q Bag A contains 10 marbles of which 4 are red and 6 are black. Bag B contains 12 marbles of which 8 are red and 4 are black. A ball...
- Q In a neighborhood with 1,269 homes, the exterior of each home must be painted with one of only six colors - white, yellow, grey, blue, green, or brown. There are...
- Q The probability of a sunny day is 3/7 and the probability of a rainy day is 4/7. If It's a sunny day, the probability Paul cycles to work is 7/10,...
- Q Say that a game consists of two steps. First, you roll a die. If you roll a 1 or a6, you continue; otherwise, you lose the game. If you rolled...
- Q Your little sister is selling scout cookles and you go along with her. Suppose the probability that a person answers the door is 0.4. What is the probability that your...
- Q A spinner is used for which it is equally probable that the pointer will land on any one of eight regions. One of the regions is colored blue, four are...
- Q In a sample of 40,000 first-born babies, 7 were found to have a certain syndrome. Find the empirical probability that a family's first child will be born with this syndrome.The...
- Q A shuttle bus arrives at a hotel every 40 minutes to take guests into town. If a guest walks out the door at a random time, find the probability of...
- Q Kyla bought a raffle ticket at a charity event. Five raffle ticket winners are chosen every 45 minutes. If Kyla steps out to take a phone call at a random...
- Q Suppose the probability that a basketball player makes a foul shot (the probability of success) Is 0.35. Would you use a binomial distribution or geometric distribution to determine the probability...
- Q You bought an appliance and the salesperson offered you a warranty that costs $99 a year. You did some research andfound that the average cost of a repair for your...
- Q The probability of an employee at a large company being out sick on any given day is 0.08, and the probability of an employee at a large company being out...
- Q The probability that a randomly chosen American household owns a gun is0.43 (source). The probability that a randomly chosen American householdowns a microwave is 0.968.Assuming that these events are independent,...
- Q A local club plans to host a tennis tournament. The club will Invest $12,000 and hopes to sell tickets worth $18,000. The weather forecast Is a 20% chance of rain....
- Q Suppose the probability an Insurance salesman makes a sale (the probability of success) is 0.6. Would you use a binomial distribution or geometric distribution to determine the probability that the...
- Q You are earning a salary of $80,000 a year, and your position is steady. However, you have an opportunity to start your own business. You have done the research and...
- Q You survey four people about their opinion on a yes or no Issue. X Is the number of "yes" responses. What is E(X)?1/161/43/88/4
- Q You entered an essay contest that awards $5,000 In scholarship money to the top essays. The contest scholarship award has an expected value of $12. Which statement is true?If you...
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