In certain country, 38% of the population has type A blood. Suppose 30 people from that country are randomly chosen. Find the probability that: (a) exactly twenty-two people have type A blood.  (b) strictly more than twenty people have type A blood.  (c) at most twenty-seven people have type A blood.

Q: Suppose 59% of vegetarians are women. Suppose a random sample of 500 vegetarians is taken. What is…

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Q: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

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Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

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Q: The mark-and-recapture technique is commonly used to estimate the population size of animal species.…

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A: Let X be the number of power outages in the city of Manila Mean λ=5

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

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Q: You have two categories of friends on social network (of your choice), namely friends and family.…

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Q: Determine the probability distribution for the​ number, X, who have no health insurance coverage. b.…

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Q: In a recent pol, a random sample of aduts in some country (18 years and older) was asked, "Wheni you…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: Suppose a math class contains 42 students. There are 22 females (two of whom speak Spanish) and 20…

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Q: Suppose a math class contains 28 students. There are 17 females (two of whom speak Spanish) and 11…

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Q: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

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Q: Suppose a coin and a die are tossed. Let X be the random variable representing an even number.…

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Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

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