A university claims that 70% of its athletes earn a degree.  Suppose that the records of 100 athletes are chosen at random. What is the approximate probability that more than 64 have earned a degree? What is the approximate probability that the number of athletes who have earned a degree is between 65 and 75? What is the approximate probability that fewer than 78 have earned a degree?

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

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

A: Binomial Distribution :  The binomial probability is a type of discrete probability distribution…

Q: Assume that when adults with smartphones are randomly​ selected, ​59% use them in meetings or…

A: The probability that exactly 3 of them use their smart phones in meetings or classes is obtained…

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

A: We have given that,  Probability (p) = 37% = 0.37 . n = 9 . And x=2 .

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

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

A:

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: Suppose that 24% of people own dogs. If you pick 4 people at random, what is the probability that…

A: Given Information:24% of people own dogs.

Q: Assume that when adults with smartphones are randomly​ selected, 45​% use them in meetings or…

A:

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

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: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: Suppose that 20% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that, 20% of people own dogs. Sample size = 2

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: Assume that when adults with smartphones are randomly​ selected, 62​% use them in meetings or…

A: Let p = probability of success, implies p = probability individual uses smartphone in meetings or…

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

A: As each adult has two options "To use smartphones in meetings or classes" or "Not to use smartphones…

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: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

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

A:

Q: Suppose that 37% of people own dogs. If you pick two people at random, what is the probability that…

A: From the given information, it is clear that   The probability that people owns the dog=0.37.…

Q: Suppose that 85% of people are voting in the election. If you pick two people at random, what is the…

A: Obtain the probability that they both are voting in the election.   The probability that they both…

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…

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: 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: 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: Records show that 65% of employees at a high-level research facility have a doctorate degree. If 14…

A: Given data Record shows that 65% of employees at high level research have a doctorate degree. 14…

Q: Assume that 65% of the geology student going for the geological fieldwork study the field rock…

A:

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

A: Given: Number of samples (n) = 20 Probability of success (p) = 0.57 Probabilty of failure (q) = 1-p…

Q: Assume that when adults with smartphones are randomly​ selected, 41%use them in meetings or classes.…

A: From the provided information, Sample size (n) = 6 Assume that when adults with smartphones are…

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Let "X" be the adults who use their smartphones in meetings or classes.

Q: According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of…

A: From the provided information, Men purchase 75% of vehicles in Babados (p) = 0.75 Sample size (n) =…

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 35​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 59% use them in meetings or…

A: From the provided information, 59% of adults use smartphones in meeting or classes that is (p) =…

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.