Seat Belt Use The Gallup Poll reported that 52% ofAmericans used a seat belt the last time they got into a car.If 4 people are selected at random, find the probability thatthey all used a seat belt the last time they got into a car.

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given,n=5p=0.52Let X=no.of adults use their smartphonesin meetings or classes.X~Binomial(n=5 ,…

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: assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: According to the question, we have 51% of adults use their smartphones in meetings or classes. Here,…

Q: ABC Interactive survey stated that 25% of employees said that their company is loyal to them. Ten…

A:

Q: Twenty-four percent of couples who plan to marry this year are planning destination weddings. In a…

A: I solved exactly first 3 subpart because of bartleby policy....   Let random variable X: number of…

Q: According to a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: given data,p(use smart phone in meeting or classes) = 0.43p = 0.43q = 1 - p = 1 - 0.43    = 0.57n =…

Q: In a recent year, 13% of businesses have eliminated jobs. If 6 businesses are randomly sampled, what…

A: Let us denote X=the number of businesses that have eliminated jobs. n=sample size=6 p=probability of…

Q: A survey from Teenage Research Unlimited found that 40% of teenage consumers receive their spending…

A: Solution: Let X be the number of teenage customers will have part-time jobs. From the given…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A:

Q: In New York State's Quick Draw lottery, players choose between one and ten numbers that range from…

A: It is given that in a lottery game, players choose between 1 and 10 numbers that range from 1 to 80.…

Q: Based on a survey by Consumer Technology Association, smartwatches are used in 18% of U.S.…

A: given data P(smartphones are used in US household) = p = 0.18P(randomly selected household has no…

Q: A poll is given, showing 20% are in favor of a new building project. If 6 people are chosen at…

A: According to the given information,Probability of success, Sample size, n = 6Let X be a random…

Q: A poll is given, showing 30% are in favor of a new building project. If 8 people are chosen at…

A: The information provided in the question are as follows :- Proportion of people in favor of a new…

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: We have to find given probability.

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: Assume that when adults with smartphones are randomly​ selected, 39%use them in meetings or classes.…

A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…

Q: There is an 85% chance that a randomly selected person will take their own re-usable bags to the…

A: We have given that p = 85% = 0.85n = 20 Here we will use binomial distribution because probability…

Q: A poll is given, showing 50% are in favor of a new building project. If 6 people are chosen at…

A: Binomial distribution : In binomial distribution, the number of trials is fixed and the number of…

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 52​% use them in meetings or classes.…

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A:

Q: Assume that 15​% of people are​ left-handed. Suppose 12 people are selected at random. What's the…

A: Given : Probability of success,p = 0.15 Probability of failure,q=(1- 0.15 )= 0.85…

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: 16 of the 200 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: Given that, 16 of the 200 digital video recorders​  (DVRs) in an inventory are known to be…

Q: 63% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A:

Q: A poll is given, showing 40% are in favor of a new building project. If 9 people are chosen at…

A:

Q: A poll is given, showing 20% are in favor of a new building project. If 8 people are chosen at…

A:

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 5 people are chosen at…

A: Given Information: Proportion p=0.55 Sample size n=5 The objective is to find the probability that…

Q: Of the cartons produced by a​ company, 10​% have a​ puncture, 8​% have a smashed​ corner, and 1.3​%…

A:

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: In a group of 103 students, 34 are diploma level and 22 are bachelor level. Find the probability…

A: Given that Group of 103 students 34 are diploma level and 22 are bachelor level Now, the number of…

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: Given Information: 55% of adults use their smartphones in meetings or classes. i.e., p=0.55 If n=11…

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

A:

Q: A poll is given, showing 55% are in favor of a new building project. If 6 people are chosen at…

A: The total number of trials n=6The number of successful trials x=5The probability of success p= 55%…

Q: Assume that when adults with smartphones are randomly​ selected, 43​% use them in meetings or…

A: According to the provided information, p=0.43 n=10

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: find the probability that exactly 22 of them use their smartphones in meetings or classes.

A: It is given that the number of observations are independent with probability of success p = 42% =…

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Given,n=8p=0.55X=no.of people favor the new building projectX~Binomial (n=8 , p=0.55)P(X=x)=nx px…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A: Given that, Probability, p = 42% = 0.42 Sample size = 20

Q: A Sports Academy trains young athletes for international events. 22% of the athletes choose…

A: It is given that in a academy 22% athletes choose football, 52% choose cricket, and rest choose…

Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

A: Let X be the number of adults use their smartphones in meetings or classes which follows binomial…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.