Adult Americans were asked if they felt that food packaging labels were truthful. Sixty-seven percent felt that food packaging labels were truthful. If 90 adult Americans were randomly surveyed, what is the probability that 62 or fewer people felt that food packaging labels were truthful? Is this event unusual?

Q: What is the probability that six or more adults from this sample were between 25 and 34 years​ old?

A: Given that  n = 9 , p = 25% = 0.25 , q = 1 - p = 1 - 0.25 = 0.75 X ~ Binomial (n = 9 , p = 0.25) X =…

Q: The debate team surveyed its members' ages, resulting in the following set of data:…

A: Given data is the survey of age of the members  To find the probability of choosing a person whose…

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: According to the 2011 Gallup daily tracking polls (https://www.gallup.com, February 3, 2012),…

A: The objective of this question is to find the probability that fewer than 45 respondents of a random…

Q: How many individuals are described in this table? How many females were among the respondents? The…

A: Given that Opinion Female Male Almost no chance 138 106 Some chance but probably not 162…

Q: Refer to the sample data for​ pre-employment drug screening shown below. If one of the subjects is…

A: Given data   Positive test result Negative test result     Drug use is indicated…

Q: 2. An Italian web site claims that 80% of all downloads consist of books by foreign authors.…

A:

Q: Are whites more likely to claim bias? It was found thát 60% of the workers were white, 30% were…

A: Let, W- Event that the workers are white         B-Event that the workers are black         O- Event…

Q: How many individuals are described in this table? How many females were among the respondents? The…

A: It is given that The individuals are classified according to gender and the question asked about…

Q: According to Internal Revenue Service records, 1.68% of all household tax returns are audited.…

A: Let A be the event all household tax returns are audited.B be the event all households own a…

Q: i. Suppose in a district grade 1 through grade 5, 60 percent of the population favor a particular…

A: we are suppose to answer three sub parts .

Q: Ecording tó thẻ Nèw York Times, eleven percent of parents helped their college ildren write an…

A: Given data,p=11%=0.11n=7P(X≤2)=?

Q: 2. Mary Peterson works at a local bank. She finds that sixty percent of all loan request received…

A:

Q: A survey sponsored by the Vision Council shows that 79% of adults need correction for their…

A: The type of distribution is used in this problem is binomial distribution Reason: There are two…

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: To find out how many individuals are described in this table, we need to sum up all the entries in…

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: That should I buy? A study conducted by the Pew Research Center reported that 58% of cell phone…

A:

Q: A study assessed the accuracy of self-reported smoking status. Among self-reported nonsmokers, 92…

A: Formula: probability is the number of favourable response divided by total number of sample size.

Q: what is the probability that you can score at least 7 on a true/false questionnaire consisting of 12…

A:

Q: Refer to the sample data for​ pre-employment drug screening shown below. If one of the subjects is…

A: The probability that false positive is obtained below: The probability of an event A is defined as,…

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that  Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: Whatis the first big change that American drivers made due to higher gas prices? According to an…

A:

Q: A Travel Weekly International Air Transport Association survey asked business travelers about the…

A: Given that, P=0.19 and n=950 We have to find P0.15<p<0.20

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades / to…

A: The given data is, Opinion Female Male Almost no chance 139 86 Some chance but probably not…

Q: In Bayesian statistics, prior information is used to update the degree of belief in a hypothesis. O…

A: Solution : Degree of belief in the hypothesis is given by the formula, where,   and denotes the…

Q: It is known that only 20% of college football players are considered as strong candidates for the…

A:

Q: Based on a​ poll, 67​% of Internet users are more careful about personal information when using a…

A: Given p = 0.67 and n =4 Let X be the number of Internet users who are more careful about personal…

Q: The following table shows the percentage of on-time arrivals, the number of mishandled baggage…

A: Probability of an event is the chance of occurrence of the event and its value lies between 0 and 1.…

Q: According to Internal Revenue Service records, 1.55% of all household tax returns are audited.…

A: event                  A : tax returns are audited         B : own a dog P(A)=0.0155 P(B)=0.41…

Q: What is the first big change that American drivers made due to higher gas prices? According to an…

A: 4) Given data Probability that it is recreational Driving = 0.30 Probability that it is consolidated…

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…