According to a Gallup poll, pepperoni is the favorite pizza topping for 31% of American children. If a sample of 150 American Children is taken, what is the probability that the sample proportion of those who prefer pepperoni pizza is greater than 0.35? (Use the Central Limit Theorem.)

Q: A study has shown that the probability distribution of X, the number of customers in line (including…

A: The formula of Standard deviation is,

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: A continuous probability is best represented by

A: We know that  Continuous probability distribution is the one in which data can take on any value…

Q: A piece of wire 6 in. long is cut into two pieces at a random point. Whatis the probability that…

A: To find: The probability that both pieces of wire will be at least 1 inch long. Given: The length of…

Q: What is the correlation p between X and Y for the joint probability table?

A:

Q: The

A: It is given that the sample size is n=50. The probability that a workforce belongs to a union is…

Q: According to a survey, 70% of adults believe that every university student should take at least one…

A: a) Given information: p=70%=0.70 n=sample size=14 Let X be the number of adults hold to view follows…

Q: a. What is the probability of observing 8 or more abused women in a sample of 25 if the proportion p…

A:

Q: The table below shows the number of survey subjects who have received and not received a speeding…

A:

Q: The mayor of a town estimates that 65% of the residents in the town favor a raise of taxes to…

A: Given information: p=The probability of residents in the town favor a raise =65%=0.65 400 people…

Q: The police tested 550 people, to see if anyone would match the partial fingerprint at the crime…

A: Given: X follows binomial distribution. Formula:

Q: Find the probability function and commulative distribution function for number of heads that appear…

A:

Q: The probability that a person buys a car from a particular dealership after a test-drive is 25%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: The following table shows the distribution of students in a class with respect to gender and level…

A: Solution : From given that , P(excellent  | a male student is chosen) =  20/(20+35+15) =  20/ 70 =…

Q: Based on the first table, enter the value of b, the expected number of widowed women who live in the…

A: Given:       Widowed Divorced Separated No longer in a visiting relationship Total Location…

Q: In a large population, 57 % of the people have been vaccinated. If 3 people are randomly selected,…

A: It is given that 57% of the people have been vaccinated. A sample of 3 is considered. At least one…

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

A: It is given that the probability a randomly selected person is vaccinated is 0.51. Assuming that for…

Q: Suppose the commuting time from North Bay to Barrie varies uniformly from 135 min to 180 min. What…

A: GivenA random variable x~Uniform(135,180)f(x)=1180-135f(x)=145     ; 135≤x≤180and cumulative…

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: What is the probability that Z is less than −0.28 or greater than the​ mean?

A:

Q: The average number of cars arriving at a drive-thru fast food restaurant is 3 in ten minutes, what…

A: GivenAn average no.of cars arriving at a drive-thru fast food restaurant is 3 in tenminutesλ=1.5 for…

Q: Suppose that a policeman with a radar gun is watching traffic pass on a street where it is the case…

A: Given that : The policeman with a radar gun is watching traffic pass on a street where it is the…

Q: Suppose that the average number of accidents occurring weekly on a par- ticular stretch of a highway…

A:

Q: Suppose that a policeman with a radar gun is watching traffic pass on a street where it is the case…

A:

Q: Jaylen, a basketball player, is known to make 41% of his shots. What is the probability distribution…

A: Given that  Success of probability p =41%=0.41 Number of trials n=7 X~binomial (n,p)

Q: What are the two requirements for a discrete probability​ distribution?

A: Discrete random variable: A random variable which takes countable finite values.Discrete probability…

Q: The mean number of customers arriving at a bank during a 15-minute period is 10. Find the…

A: Suppose random variable X defines the number of customers arriving at a bank during a 15-minute…

Q: In a recent year, there were 2,515,458 deaths, and 787,650 of them were due to cardiovascular…

A: Total number of deaths = 2515458Number of deaths due to cardiovascular disease = 787650…

Q: For X~Normal(100,10), what would be the probability that x is less than 90?

A: Given: X~N (100,10) Mean(μ)  = 100 Standard deviation (σ) =10

Q: Suppose the amount of time a random customer spends in a grocery store is uniformly distributed…

A: Obtain the probability that a random customer will spend less than one hour in the grocery store.…

Q: The mean GPa of university students is 2.3 with a SD of 1.2. If you were to draw 36 students at…

A:

Q: mpling a student on campus and finding that they are wearing a red shirt is .3.  what is the…

A: For this case, there are two possible outcomes for each trial, classified as a success (red shirt),…

Q: In a certain study, the chance of encountering a car crash on the road is stated as 20%. Express…

A: We know that for an event E the probability of the event E is given by; P(E)=Number of favourable…

Q: An institute reported that 70​% of its members indicate that lack of ethical culture within…

A: Given that n=sample size= 100 p=probability of success= 70%=0.70   So the mean= np=100(0.70)=70,…

Q: of 20%, what is the probability that the cost will be within the estimate?

A: here given  mean =  3  coefficient of variation  =  0.20

Q: Based on her experience, a professor kuows that the probability distribution for X= number of…

A:

Q: When two dice are rolled, what is the probability that the minimum value is 2? Answer to the nearest…

A:

Q: (e) What is the probability that total waiting time is between 3 and 8 min? (f) What is the…

A: Note: Since you have asked for subparts (e) and (f) that is why only these two subparts have been…

Q: In a large population, 56% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: The cumulative probability for the entire binomial distribution does not have to sum to 1.  True…

A: By the property of cumulative probability, any of distribution, the cumulative probability of entire…

Q: The probability distribution itself is assumed to be a beta distribution. True or false?

A: Beta Distribution is a probability Distribution, one of its most common uses is to model one's…

Q: For a continuous probability distribution, 0 15)?

A:

Q: bote maker believes that 14% of his bottles are defectiv f the bottle maker is accurate, what is the…

A: Actual proportion is 14%. Sample size is 622.

Q: from previous published studies, the probability that a pine snake hatched in a zoo will survive to…

A: Solution: Let X be the number of pine snakes that will survive to maturity and n be the sample…

Q: A study has shown that the probability distribution of X, the number of customers in line (including…

A: The formula of expected value is,

Q: At a store, the average number of customers entering is 25 persons per half an hour. What is the…

A:

Q: What is the Central Limit Theorem? It is always true that as the sample size, n, increases, the…

A: According to Central limit Theorem , if the sample is chosen randomly , distribution of sample means…

Q: What is the probability of obtaining a z score that is as extreme as or more extreme than 1.96?

A: Here we have to find z score that is as extreme as or more extreme than 1.96

Q: A sample of 4 different calculators is randomly selected from a group containing 20 that are…

A: Given,no.of defective calculators=20no.of non defective calculators=10total no.of calculators=30