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    .

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Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 8 seeds are planted,…

A: There is a 90% chance of growing into a healthy plant.

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

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Q: A television station wants to know how its newest show is performing. The results of their poll of…

A: Given that,A television station wants to know how its newest show is performing.

Q: Approximately 5.3% of Americans have French heritage. If you randomly select 350 Americans and ask…

A: Obtain the approximate probability that less than 3% of them to have French heritage. The…

Q: Ten patients participated in a study to see if vitamin C can prevent colds. If each patient has a…

A: It is given that 10 patients participated in a study to see if vitamin C can prevent colds. The…

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: new drug cures 65% of the patients who take it. If it is given to 14 patients, what is the…

A: We have to find out answer of given question....

Q: What is the probability that 8 adults selected at random from the town all have health insurance? G

A: It is given that the random variable X i.e, health insurance follows Binomial distribution with…

Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

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Q: 15. About 8% of males are color-blind. A researcher needs a color-blind male for an experiment and…

A: Given that Probability of males whose color -blind (p) = 0.08 (8%) a) Probability that She finds a…

Q: If 15% of students like tennis and I expect 500 new students on campus what is the probability that…

A: Probability that students like tennis, p=15% = 0.15 q=1-p= 1-0.15= 0.85 Sample size n=500…

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: Suppose 38% of the teachers at a high school are male teachers. What is the probability that of your…

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Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: Coronary bypass surgery: A healthcare agency reported that 48% of people who had coronary bypass…

A: Total number of patients n=14Probability p=0.48q=0.52

Q: What is the probability that exactly 5 of them have hypertension What is the probability that more…

A: Let p be the probability that an adult has hypertension. Given that p = 0.30 Let X denotes the…

Q: Supposed that Stephen is the quality control supervisor for a food distribution company.  A shipment…

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Q: Part 3 of 6 A new sample of 79 adults is drawn. Find the probability that more than 38% of the…

A: The proportion of U.S. adults with high blood pressure is 0.4, and a sample of 39 U.S. adults are…

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A:

Q: According to a study conducted by a statistical organization the proportion of Americans were…

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A: Z-score for proportion:

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A: GIVEN DATA P(graduate) = p = 0.75sample size n = 10x = no. of graduatesP(x=X) =…

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Q: Naval intelligence reports that 66 enemy vessels in a fleet of 22 are carrying nuclear weapons. If…

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A: The sample of coronary bypass patients, The percentage of people who had coronary bypass surgery is…

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

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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.