Just before a referendum on a school​ budget, a local newspaper polls 356 voters to predict whether the budget will pass. Suppose the budget has the support of 53% of the voters. What is the probability that the​ newspaper's sample will lead it to predict​ defeat?

Q: A jar contains 12 caramels, 7 mints and 16 dark chocolates. What is the probability of selecting a…

A: Amswer: We know that the probability is a how likely an event  Is to happen. Probability = favorable…

Q: On average, a textbook author makes 1.5 word-processing errors per page on the first draft of her…

A: Solution: Let X be number of word-procession errors per 2 pages on the first draft. Since it is a…

Q: A package contains 14 candy canes, 8 of which are cracked. If 3 are selected, find the probability…

A:

Q: Just before a referendum on a school budget, a local newspaper polls 375 voters to predict whether…

A: Given that  The local news paper polls 375  voters to predict whether the budget will pass. Suppose…

Q: The probability that fewer than 41 of 174 eligible voters voted is (Round

A: Let p be the probability that a eligible voter votes. Given that p = 22% = 0.22 Let X represents the…

Q: Based on surveys, 97% of students own cell phones.  What is the probability that 10 randomly…

A: Given,p=0.97n=10X=no.of students own cell phones.X~Binomial(n=10 , p=0.97)P(X=x)=Cxn px(1-p)n-x ;…

Q: What is the probability a certain tire of this brand will last less than 53,400 miles? What is the…

A: Given Mean=60000 Standard deviations=1700

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: What is the probability that an 18-year old man selected at random is between 67 and 69 inches tall?

A: Let X denote the heights of  18 year-old men. Given that X follows N(mean = 68, SD = 3) Then Z = (X…

Q: A week before the bill was passed, a journalist wants to survey 36 congresspersons to determine the…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

Q: According to a national​ study, 32​% of taxpayers used computer software to do their taxes for a…

A: From the given information, 32​% of taxpayers used computer software to do their taxes for a certain…

Q: On average, 5.5 shoplifting incidents occur per week at an electronics store.  What is the…

A: Poisson Distribution :  A Poisson distribution is a discrete probability distribution that applies…

Q: Suppose the budget has the support of 54​% of the voters. What is the probability that the​…

A: The proportion of population in support follows normal distribution with mean 0.53 and standard…

Q: What is the probability that if 13 letters are typed, no letters are repeated?

A: There are 26 letters in the English alphabet.  We can pick 13 letters without repetition in 26P13…

Q: According to the American Veterinary Medical Association, 31.6% of American households own a dog.…

A: Let A denote that American households own a dog Let  denote that American households does not own a…

Q: Just before a referendum on a school budget, a local newspaper polls 412 voters to predict whether…

A:

Q: A nylon connector manufacturing plant yields 16 % defective items. If 1000 connectors are randomly…

A:

Q: Just before a referendum on a school​ budget, a local newspaper polls 357 voters to predict whether…

A: Given, n = 357 p = 53% = 0.53

Q: In a small private​ school,6 students are randomly selected from 11available students. What is the…

A: We have 11 students out of which we have to select the 6 students and then find the probability that…

Q: Recently, the top web browser had 57.41% of the market. In a random sample of 200 people, what is…

A:

Q: A salesperson found that there was a 1% chance of a sale from her phone solicitations. Find the…

A:

Q: During the year about 15 percent of the population carry the flu virus. Supposed that 5 children…

A:

Q: If 30 percent of all accepted applicants to BCC will not take up their acceptance, determine the…

A: Given,n=120p=0.30np=120×0.30=36≥5nq=120×1-0.30=84≥5we can use normal…

Q: An exit poll during a recent election revealed that 55% of those voting were women and that 65% of…

A: P(A|B) = P(A∩B)P(B)

Q: An experiment consists of randomly drawing a marble from a bag containing 7. red, 4 blue, a 3 prange…

A: Total Number of marbles : Red + Blue + orange = 7 + 4 + 3 = 14

Q: What is the probability that 100 tosses of a fair coin will result in 50 heads and 50 tails?

A:

Q: If I have 8 cars and 11 trucks to select from to be tested for a safety inspection, what is the…

A: We have, n1= 8 = the number of cars n2 = 11 = the number of trucks N= 19 = total number of vehicles…

Q: What is the probability that if 15 letters are typed, no letters are repeated?

A: From the provided information, 15 letters are typed. Total letters in alphabet = 26

Q: What is the probability that a randomly selected student prefers rock and sings in the shower 0…

A:

Q: A four-person committee is randomly selected from a pool of 19 Americans and 13 Canadians. What is…

A: No.of Americans = 19  No.of Canadians  = 13 Total no.of persons = 32 (i.e. 13+19) Consider that…

Q: Just before a referendum on a school​ budget, a local newspaper polls 424 voters to predict whether…

A: It is given that ,just before a referendum on a school​ budget, a local newspaper polls 424 voters…

Q: In a recent survey, 72% of the community favored building a health center in their neighborhood. If…

A: It is given that n = 14 and p = 0.72.

Q: According to Financial Executive, disability causes 48% of all mortgage foreclosures. Given that 20…

A:

Q: What is the probability that a randomly selected song had 501-1,000 plays and was rock?

A: The row totals and column totals are given in the following table:

Q: A survey reveals that 20% of the girls are Riphah come from remote areas. If 20 Riphah Girls are…

A: Given,n=20p=0.2q=1-p=1-0.2=0.8X=no.of girls come from remote area X~Binomial (n=20 ,…

Q: What is the probability of selecting an applicant who has a score of at least 166?

A: Let X denote the GRE quantitative scores. Given that X follows N(mean = medain = 158, SD = 3), then…

Q: In a recent year 304 of the appoximately 300,000,000 people in the USA were struck by…

A: There are 300,000,000 people in the United States in which 304 people were struck by lightning. The…

Q: What is the probability of choosing a green marble from a bag filled with 17 blue marbles, 12 red…

A:

Q: In a survey of 500 college graduates, 67% reported that they entered a profession closely related to…

A: Given that  In survey of 500 college graduates 67% reported a college major.  P = 0.67 (1-P) =…

Q: A survey by Altgeld Travel Magazine found that 85% of airline passengers prefer to sleep during…

A: Solution: 6. a. Let X be the number of passenger prefer to sleep during their flights and n be the…

Q: What is the probability of a random student being chosen who is a female and is not between the ages…

A: Given,          PM=0.60          PAge 18 and 20=0.35          PM and Age 18 and 20=0.26…

Q: The probability that a randomly selected male aged 90 years old will survive the year is 95.195%…

A: The probability that a randomly selected male aged 90 years old will survive the year is 0.95195.

Q: Public Opinion reported that 5% of Americans are afraid of being alone in a house at night. If a…

A: There is only two possibilities either the selected person is afraid of getting alone as success or…

Q: What is the probability that there would be no cracks in a particular 3-km section of the…

A: Let, X be the number of cracks in a 105-km expressway. Here , X has Poisson distribution with mean…

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

A: Given Data population proportion,p = 0.7 sample size n = 100

Q: A book of 500 pages, 350 typos were found. Find the probability that in a random sample of 5 pages…

A: Its Poisson distribution

Q: Suppose a household has nine members (five of whom work) and an annual income of $234,567. What is…

A: Given: Consider the provided regression model for the number of trips generated during a peak hour…

Q: A bag contains 6 red marbles, 5 blue marbles and 8 green marbles. If three marbles are drawn out of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: A market research firm conducts telephone surveys with a 40% historical response rate. What is the…

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.