A professor has learned that two students in her class of 15 will cheat on the exam. She decides to focus her attention on five randomly chosen students during the exam. a. What is the probability that she finds at least one of the students cheating? (Round your final answers to 4 decimal places.) Probabity b. What is the probability that she finds at least one of the students cheating if she focuses on seven randomly chosen students? (Round your final answers to 4 decimal places.) Piobutity

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A: Given data 5 oranges are picked at random Total oranges = 80 6 oranges are rotten

Q: In the marketing division of a particular company, there are 65 part-time employees and 33 full-time…

A: From the provided information, There are 65 part-time employees and 33 full-time employees. Total…

Q: To test its shotgun shells, a company fires 5 of them. What is the probability that all 5 will fire…

A: Let us assume that X= number of shells that fires properly.  n= number of trials= 5 Given that  4%…

Q: On average, 10.0 persons per minute are waiting for an elevator in the lobby of a large office…

A:

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

A:

Q: John Michael buys a bag of cookies that contains 8 chocolate chip cookies, 8 peanut butter cookies,…

A: The total number of cookies is  8×4 =32. The total number of sugar cookies is 8. The total number of…

Q: What is the probability that a randomly selected survey participant prefers the NFL? (Round to four…

A: Note : According to our guidelines we are solving only first three sub-parts of a question and the…

Q: It is estimated that 0.52 percent of the callers to the Customer Service department of Dell Inc.…

A:

Q: he manager of Toy World has decided to accept a shipment of electronic games if none of a random…

A: This problem can be solved using the binomial distribution formula.

Q: A. A customer from Cavallaro's Fruit Stand picks a sample of 3 oranges at random from a crate…

A:

Q: A recent survey by the New Statesman on British social attitudes asked respondents if they believe…

A: It is given that n = 6 and p = 0.63.

Q: A quality control inspector has drawn a sample of 12 light bulbs from a recent production lot. If…

A: # given : sample size n=12  Proportion of defective=20%  The lot will be accepted if no of…

Q: Seventy-four percent of the light aircraft that disappear while in flight in a certain country are…

A: Basics:

Q: Garrett buys a bag of cookies that contains 6 chocolate chip cookies, 5 peanut butter cookies, 9…

A: From the provided information, Total number of cookies = 6 + 5 + 9 + 5 = 25

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A: Consider the given information.

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A:

Q: n a large population, 71% of the people have been vaccinated. If 3 people are randomly selected,…

A: Here it is given that- total number of observation(n) = 3 sample proportion(p)= 71100=0.71 As n and…

Q: According to an article, 10.5% of Internet stocks that entered the market in 1999 ended up trading…

A:

Q: According to an article, 11.4% of Internet stocks that entered the market in 1999 ended up trading…

A: Solution: Let X be the number of internet stocks end up trading at or above their initial offering…

Q: Recently, a nurse commented that when a patient calls the medical advice line claiming to have the…

A: Formula, : Binomial distribution is given by

Q: Find the indicated probability. Round to three decimal places. 33% of the computer science majors…

A: Givenp=0.33sample size(n)=10x~Binomial(n=10 , p=0.33)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,...,n

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A: Given,n=5p=0.42X=no.of adults use cell phoneX~Binomial (n=5 , p=0.42)P(X=x)=5x 0.42x 1-0.425-x ;…

Q: As a promotional offer, a newly opened movie theatre is awarding 22% of their new patrons with a…

A:

Q: A sample of 500 adults were surveyed on their interest in winter activities. 74 of those studied do…

A:

Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: It is given that 77% of the light aircraft disappear while in flight in a certain country are…

Q: A survey of magazine subscribers showed that 45.7% rented a car during the past 12 months for…

A: Given that, P (Business) =45.7% =0.457 P (personal) =59% =0.59 P (Business and Personal) =20% =0.20

Q: . What is the probability an advertising firm selected at random has under $1 million in income…

A:

Q: On average, Camden has noticed that 18 trains pass by his house daily (24 hours) on the nearby train…

A:

Q: A softball pitcher has a 0.431 probability of throwing a strike for each pitch. If the softball…

A:

Q: The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass…

A: As per our company guidance expert have to answer first three supports only dear student please…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

Q: Data collected by the Substance Abuse and Mental Health Services Administration (SAMSHA) suggests…

A:

Q: It is found that 361 freshmen students are taking EDA, 104 are taking physics, 191 are taking…

A: Students taking EDA P(EDA)= 361 Students taking Physics P(PHY)= 104 Students taking Calculus ,…

Q: The student government claims that 85% of all students favor an increase in student fees to buy…

A: Givenp=0.85n=12Let "x" be the no. students produced in favour of the…

Q: What is the probability that: (Express answers to 4 decimal places) c) between 6 and 11 of the…

A: Let p be the probability that a person who had coronary bypass surgery in 2008 were over the age of…

Q: Suppose that on the average, 8 students enrolled in a small liberal arts college have their…

A: Let us consider X as the number of students enrolled in a small liberal arts college have their…

Q: A manufacturer finds that 1.5% of its products is defective. What is the probability that one of the…

A: It is given that the random variable X follows Binomial distribution with parameter p = 1.5% = 0.015…

Q: A student takes an exam containing 20 true or false questions. if the student guesses, what is the…

A: We have to find givén probability.

Q: a. With two hard disk drives, the probability that catastrophe can be avoided is (Round to four…

A: here use binomial distribution  each trial independent(failure of disk indpendent) finite number of…

Q: Where does all that Halloween candy go? The October 2004 issue of Readers' Digest quoted that "88%…

A: Obtain the probability that 20 or more took Halloween candy from their children's trick-or-treat…

Q: what is the probability that two believe inequality is too large? If required, round your answer to…

A: Let , X be the number of respondents believe that inequality is too large. Here , X→B(n=6 , p=0.65)…

Q: i. If he starts getting smacked from the first ball, what is the probability that this stops on the…

A:

Q: a. With two hard disk drives, the probability that catastrophe can be avoided is (Round to four…

A: Provided information, there is 4% risk drive failure in a year.  The situation follows binomial…

Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: Given problem Given that   Seventy-seven percent of the light aircraft that disappear while in…

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: According to a study conducted by a public health school, a child seated in the front seat who was…

A:

Q: Cassandra buys a bag of cookies that contains 4 chocolate chip cookies, 8 peanut butter cookies, 6…

A:

Q: seat who was wearing a seatbelt was 33% more likely to be killed in an accident if the car had an…

A:

Q: A bank is interested in studying the number of people who use the ATM located outside its office…

A:

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.