2. Wallace figures his chances of getting a new car for graduation at 70% if he graduates as class valedictorian. He only has about a 25% chance of getting a new car if he graduates 2nd or lower. He estimates his chances of being valedictorian at 50/50. What is the likelihood that Wallace will get a new car?

Q: You look at airline records and determined that the probability of a flight being delayed is 8%.…

A: #You look at airline records and determined that the probability of a flight being delayed is 8%.…

Q: Bob is a high school basketball player. He is a 70% free throw shooter. That means his probability…

A:

Q: Mark draws a card from a deck 10 times, with replacement. Of the cards drawn, he sees 3 Heart cards.…

A: Number of Cards in deck  = 52 Number of Hearts  = 13 On one draw, P(drawing a heart) = 13/52 = 0.25…

Q: helen plays basketball. for free throws, she makes the shot 78% of the time. Helen must now attempt…

A: Consider C and D be the events Helen makes the first and the second shot respectively.It is provided…

Q: The probability of earning an A in gym class is 80%. There are 5 students who carpool together.

A: Approach to solving the question:To find the probability that more than 4 of the carpooling students…

Q: 3. Find the probability of selecting either a non-smoker or a woman when you select a person at…

A:

Q: A politician running that only 15% of Calif her competitor is doing. Xavier wants to test if this is…

A: 'lk/j[k

Q: State whether you think the difference between what occurred and what you would expect by chance is…

A: Statistical significance Statistical significance is the statement that the results of a collection…

Q: You forget to study for the multiple choice exam in your next class. Suppose the test has 5…

A: It is an important part of statistics. It is widely used.

Q: Suppose that 60% of people have brown eyes and that 5% of people have red hair. We randomly select…

A: Given information: Let A be the event that  people have brown eyes. P(A)= 0.60B be the event that…

Q: calculate the probability of exactly 3 successes in 4 tries. p= 0.2

A: Given:n = 4, r= 3, p = 0.2Consider that the random variable X follows a binomial distribution with…

Q: Camila sets up a passcode on her smart phone, which allows only five-digit codes. She has heard that…

A: Given : The passcode consists of 5 digits  Out of 5 digits one digit appeared 2 times (because…

Q: Andre is 70% free throw shooter. If he attempts 20  foul shots, what is the probability that he…

A: Solution: Let X be the number of shots sink and n be the number of foul shots. From the given…

Q: The national institute of mental health reports a 25% chance of an adult suffering from a…

A: Answer: From the given data, P = 25% = 0.25 Sample size (n) = 7 X follows binomial distribution,

Q: You are Vice President of Ticket Sales for Toronto FC. The average price of ticket is $20, and you…

A: It is given that the average price of the ticket is $20. It is expected to sell 8000 tickets on any…

Q: calculate the probability of exactly 3 successes in 4 tries. p=0.27 1-p= 0.73 n=4 k=3

A:

Q: Kiara sets up a passcode on her tablet, which allows only six-digit codes. She has heard that it's…

A: Kiara sets up a pass-code on her tablet, which allows only six-digit codes. She has heard that it's…

Q: calculate the probability of exactly 2 successes in 4 tries. p=0.27 1-p= 0.73 n=4 k=2

A:

Q: Suppose that 44% of people have dogs. If two people are randomly chosen, what is the probability…

A: It is given that, 44% of people have dogs. It means, probability that a people have dogs= p = 0.44…

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: A sleep clinic sees 10 new patients a day. Approximately 45% of patients are diagnosed with sleep…

A: given data  sample size (n) = 10 P(disgnose with sleep apnea) = p = 0.45 x = no. of patients have…

Q: threw a cut three times, so what's the probability of getting the picture twice?

A:

Q: The probability of success is 0.725. You take a sample of 760. What is the probability of getting…

A: Given data: p = 0.725 n = 760 To find: What is the probability of getting fewer than 538 successes…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Solve the problem. An exit poll during a recent election revealed that 55% of those voting were…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: 1. Assuming the chewing gum company's claim is true, what is the probability that fewer than 78% of…

A: Introduction:Denote p as the true population proportion of dentists who recommend the chewing gum…

Q: Ahmed hits 56 % of his free throws in the Basket Ball game. He had 8 free throws in last week game.…

A:

Q: Ruth, the owner of a mail-order business, estimates that the probability that a household receiving…

A:

Q: You are to play a game of chess against a random opponent on the web. You say to yourself "There is…

A: Probability of winning=75%

Q: A box contains 20 blue balls, m yellow balls and n green balls and the probability of selecting a…

A:

Q: Justify an answer

A: To solve this problem, we can use the binomial probability formula, as we are dealing with a…

Q: Stephen Curry 3 points field goal percentage is 43.5% and 2 points field goal percentage is 47.6%.…

A: If Curry makes a 3 pointer successfully his team will win the match straight away while if he misses…

Q: Rohan, the bookworm plans on reading 8 books by next week. But he only reads novels, poetry, short…

A: Given: Let N denote novels, P denote poetry, S denote short stories and F denote science fiction. P…

Q: The gunner on the assault boat SS Minnie Chang fires six missiles at an attacking plane. Each has a…

A: Given: n=6,p=0.2 To find: PX2≥1

Q: During a basketball game, Tatiana is shooting two free throws. Tatiana makes 91% of their free…

A: