High blood pressure: A national survey reported that 31% of adults in a certain country have hypertension (high blood pressure). A sample of 21 adults is studied. Round the answers to four decimal places.   Part 1 of 4 (a) What is the probability that exactly 5 of them have hypertension? Part 2 of 4   (b) What is the probability that more than 7 have hypertension?   Part 3 of 4   (c) What is the probability that fewer than 4 have hypertension?   Part 4 of 4   (d) Would it be unusual if more than 9 of them have hypertension?   It ▼(Choose one) be unusual if more than 9 of them find have hypertension since the probability is    .

Q: An experiment has four equally likely outcomes: E1, E2, E3, and E4.a. What is the probability that…

A:

Q: A financial analyst believes that if interest rates decrease in a given period, then the…

A: Let event A denotes that the interest rates will decrease in a given period And event B denotes that…

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A:

Q: A corporation has 15,000 employees. Sixty-two percent of the employees are male. Twenty three…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: A study contains 31 women and 24 men. If 3 subjects are randomly selected without replacement, what…

A: Solution-: We have, Number of women =31, Number of men =24            Total number of persons (Women…

Q: A recent survey examined the use of social media platforms. Suppose the survey found that there is a…

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Q: A consumer organization estimates that over a​ 1-year period 19​% of cars will need to be repaired​…

A: It is given that, P(repaired once)=0.19 P(repaired twice)=0.09 and P(three or more repairs)=0.04.

Q: While watching a game of Champions League football in a cafe, you observe someone who is clearly…

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Q: . What is the probability that the amount of liquid hand soap consumed in a month per secondary…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: (b) What is the probability that a randomly vaccinated person does not become ill with the…

A: here define events ,  person get side effect  =  S Sick(ill) from corona Virus  = C p(C') = 0.65  ,…

Q: Cell phones and surveys II The survey by the NationalCenter for Health Statistics further found that…

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Q: Do Generation X and Boomers differ in how they use credit cards? A sample of 1,000 Generation X and…

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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: A new drug is being tested that causes a serious side effect in 5 out of 20 patients. Fifteen…

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Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Five birds hit the Washington Monument and are killed on average, each week. Funds will be allocated…

Q: A researcher believes that 4%4% of females smoke cigarettes. If the researcher is correct, what is…

A: Where,

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

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Q: Given a woman has positive mammography, what is the probability she has breast cancer?

A: Let us define some events A : a woman has breast cancer. B : a woman does not have breast cancer. E…

Q: Market-share-analysis company Net Applications monitors and reports on Internetbrowser usage.…

A:

Q: Lottery games are very popular, but what are the actual probabilities that a ticket purchased is…

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Q: 2. There are 500 engineers who are working. The table provides some data of their employment status.…

A: To find the probability of an employee to be in M and in construction, from the table find the…

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A:

Q: 3) Medical researchers are studying the relationship between metacarpal fractures and time spent…

A: We will find the probability from above table

Q: A large bank that issues many loans for General Motors(GM)estimates that 70% of the loans are…

A:

Q: (a) What is the probability that a person will have a positive blood test? (b) If your blood test is…

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Q: 1990s Internet Stock Boom   According to an article, 19.8% of Internet stocks that entered the…

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Q: In the game of blackjack as played in casinos in Las Vegas, Atlantic City, Niagara Falls, as well as…

A: It is an important part of statistics. It is widely used.

Q: Do Generation X and Boomers differ in how they use credit cards? A sample of 1,000 Generation X and…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

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A:

Q: Delhi Kolkata Chennai Mumbai Yes 45 55 60 50 No 35 45 35 45 No opinion (i) What is the probability…

A:

Q: 3. (Rosner book – Page 110, Q: Infectious Disease) A study considered risk factors of HIV infection…

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Q: Staff, Inc., a management consulting company, is surveying the personnel of Acme Ltd. It determined…

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Q: Example 10.13 It has been found that 7 per cent of the tools manufactured by a factory are…

A:

Q: Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is…

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Q: Apparently, depression significantly increases the risk of developing dementia later in lift (BBC…

A: Given: P (Dementia | Depression) = 22% = 0.22 P (Dementia | No Depression) = 17% = 0.17 P…

Q: Example 4: A manufacturer knows that the condensers he makes contain on average 1% defectives. He…

A:

Q: Despite the repeated effort by the government to reform  how Wall Street pays its executives, some…

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Q: Dengue fever viruses are carried by mosquitoes. There are several different serotypes of the dengue…

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Q: 1) The table below shows how boys and girls from a graduating senior class place their priority.…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 26. Handedness A psychologist needs 12 left-handed subjects for an experiment, and she interviews 15…

A: Given, 10% of the population is left handed therefore P(left handed)=0.1 P(right handed)=1-P(left…

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Given  Mean = 5

Q: Transportation officials tell us that 90% of drivers wear seat belts while driving. What is the…

A: Let p be the probability that driver wear seat belt. n=600, p=0.90,  P(525<X<530)= ?

Q: The management of the large department store in Example B.1 must determine whether more training is…

A: Given: The clerk at the customer service desk can serve an average of three customers per hour. So,…

Q: (Not graded, practice problems only.)

A: Given that, There are only two outcomes. So it follows binomial distribution. P=0.02 n=39

Q: Question-3 a. Thirty percent of business travelers carry a laptop. In a sample of 17 business…

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.