if the CDC says 20 percent of high school students vape if 12 high school students are selected , what is the probability 8 vape

Q: Suppose that you sampled 2 CEOs with replacement instead. How many different samples are possible,…

A: Sampling is a process which is used in statistical analysis. In sampling a predetermined number of…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Let x follows binomial distribution with parameters n = 2 and p = 0.54   The pdf of binomial…

Q: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

A: Suppose three fair coins are tossed and the number of heads that appear is recorded.Since the coins…

Q: suppose you toss a coin 100 times and get 95 heads and five tails. what is the estimated probability…

A: Solution

Q: Two dice are rolled four times. Calculate the probability of doubles four times in a row?

A:

Q: In a family of 11 children, what is the probability that there will be more boys than girls?

A: Given: Number of children in the family n=11

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: usly. What is the probability that you pick at least 4 green balls

A: Total balls = 5 red balls + 6 green balls + 2 yellow balls = 13 balls The number of ways to select 5…

Q: Suppose a die is tossed 5 times. What is the probability of getting exactly 2 fours?

A: Given information- We have given that a die is tossed 5 times. We have given a problem of the…

Q: In a small private school, 3 students are randomly selected from 11 available students. What is the…

A: Assume that all the 11 available students have different ages. S ne the sample space of selecting 3…

Q: Three coins are tossed. What is the probability of tossing at least one head (it means 1, 2 or 3)?

A: Binomial distribution is given by

Q: The probability that a house in an urban area will be burglarized is 6​%. If 47 houses are randomly​…

A:

Q: Suppose the probability of purchasing a defective smart phone is 0.04. What is the probability of…

A: Introduction: Denote X as the number of defective smart phones obtained in a purchase of 20 smart…

Q: When someone buys a ticket for an airline flight, there is a 0.0981 probability that a person will…

A: Given information probability that a person will not show up for the flight(p) = 0.0981 Jet have not…

Q: What is the probability of a family having five boys born in a row?

A: chance of having a boy, is 0.5. and to have 5 boys in a rowit is with same chance always…

Q: In a study done in my chicken coop, 82% of my birds enjoy eating earwigs. Choose 7 birds at…

A: Let X denote the number birds enjoy eating earwigs. Then X follows a Binomial distribution with n=7…

Q: Suppose that the probability that a child living in an urban area in the US is obese is 20%. A…

A: Given:Number of children living in an urban area (n)=10Probability(P)=0.20Explanation:Let’s x is…

Q: A die is rolled twice. What is the probability of getting 3 or 5?

A: From the given information, a dice rolled twice.   The total sample space is,

Q: What is the probability there are at least 5 cars in the drive-thru?

A:

Q: A manufacturing machine has a 2% defect rate. If 8 items are chosen at random, what is the…

A: Let X be the number of defected machine from binomial distribution with probability (p) = 2% = 0.02…

Q: If 381 individuals have the blood type A+ out of a sample of 1000 individuals. what is the…

A:

Q: When drawing a single card from the deck, what is the probability of getting a face card or a…

A: Total number of cards in a deck of cards  = 52 Number of face cards = 12 Number of diamond cards =…

Q: A bag of the same size small balls contains 6 blue balls, 5 red balls, 5 yellow balls, and 4 green…

A: Given that  There are 6 blue balls, 5 red balls, 5 yellow balls, and 4 green balls Total number of…

Q: Suppose you flip 1000 coins. What is the probability of getting exactly 600 heads and 400 tails?

A: Given: Number of trials (n) = 1000 P (Heads)  =P (Tails) = 0.5 Let X be the number of heads. As the…