According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe people's bad habits as they sneeze. (A) What is the probability that among 12 randomly observed individuals exactly 4 do not cover their mouth when sneezing? (B) What is the probability that among 12 randomly observed individuals fewer than 3 do not cover their mouth when sneezing? (C) Would you be surprised if, after observing 12 individuals, fewer than half covered their mouth when sneezing? Why?

Q: n a recent survey of 619 Salinas residents, 437 stated they experienced significant traffic delays…

A: 437 stated they experienced delay 182 not experienced delay 619 total

Q: According to a study done by a university student, the probability a randomly selected individual…

A: Given information Probability that the selected individual will not cover his or her mouth when…

Q: The quality control manager of​ Marilyn's biscuits is inspecting a batch of​ chocolate-chip biscuits…

A:

Q: According to a study done by a university student, the probability a randomly selected individual…

A: If we have n trials each having two outcomes, say Success and Failure, trials being independent and…

Q: According to a study done by a university​ student, the probability a randomly selected individual…

A: Obtain the probability that among 12 randomly observed individuals exactly 5 do not cover their…

Q: A survey reported in USA Today indicates that 65% of small business owners favor drug testing for…

A: The probability of small business owners favoring drug testing for their employees is, The sample…

Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

Q: Based on a​ poll, ​63% of Internet users are more careful about personal information when using a…

A: Let us denote X=the number of internet users who are careful about personal information when using a…

Q: information when using a public Wi-Fi hotspot? How is the result affected by subjects volunteered to…

A: Given that  Number of trials n=4 Success of probability p=0.61 ,q=1-p=0.39 X~Bin(n,p)…

Q: What is the probability that a randomly selected student from the course will fail? If a student…

A: Define the following events:   A: students are light studiers B: students are moderate or heavy…

Q: In a particular survey of internet users, 3713 respondents say that they use social networking sites…

A: We want to find the probability

Q: study of people who wear glasses at a certain company was done and included 100 people in the 18 -…

A: Given that   Ware glasses Not ware glasses  Total Age 18-22 37 63 100 Age 23-30 45 70 115…

Q: Based on a​ poll, 69​% of Internet users are more careful about personal information when using a…

A: Given Data Probability of success,p = 0.69 Probability of failure,q=(1- 0.69 )= 0.31…

Q: The Statistical Abstract of the United States reported that 18.2% of students whose post secondary…

A: Let X be the number of students whose post secondary degrees were health professions and related…

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: Based on a​ poll, 61​% of Internet users are more careful about personal information when using a…

A:

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: Given, About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults…

Q: According to a study done by a university​ student, the probability a randomly selected individual…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Based on a​ poll, 70​% of Internet users are more careful about personal information when using a…

A: In this case, each surveyed user is inferred to have only options of being "more careful" (i.e.,…

Q: A study of 180 randomly selected American Airlines flights showed that 68 arrived late. What is the…

A: No. of American flights =180 No. of american flights arrived late=68

Q: Privacy is a concern for many users of the internet. One survey showed that 62.5% of internet users…

A:

Q: manufacturer of aspirin claims that the proportion of headache sufferers who get relief with their…

A: Given data,Probability of success is p=63.8%=0.638If n=430P(X<58.4%)=?

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: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A: p=0.68  _________________________ P(x≥1) = ?

Q: According to a study done by a university​ student, the probability a randomly selected individual…

A: It is given that the probability that a randomly selected individual will not cover their mouth when…

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A:

Q: It was reported that 29% of car crash deaths in Maine were alcohol-related.…

A: Obtain the probability that at most 14 were alcohol-related.   The probability that at most 14 were…

Q: According to an article, 41% of all cars crossing a toll bridge have a commuter sticker. What is the…

A:

Q: A study showed that the sex ratio of children born to families in a native community of Ontario…

A: A study showed that the sex ratio of children born to families . Given: A news paper report about…

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.