Suppose that 20% of fruit flies possess a certain gene.  If we randomly select 20 fruit flies, find the probability that at least 5 flies in the sample possess the gene.  You may assume sampling with replacement.

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Q: In New York State's Quick Draw lottery, players choose between one and ten numbers that range from…

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A:

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Q: Suppose that you toss three fair coins. You get a score of 1 for each coin that shows tails and –1…

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A:

Q: A weighted coin has a 62% chance of landing on heads.  You decide to flip the coin 3 times.…

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A:

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A:

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Q: Assume that when human resource managers are randomly​ selected, ​44% say job applicants should…

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Q: Everyday randomness. Aside from casinos, lotteries,and games, there are other situations you…

A: Examples:

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A:

Q: Suppose that 20% of fruit flies possess a certain gene.  If we randomly select 20 fruit flies find…

A: Let X be the number of flies in the sample possess the gene which follows binomial distribution with…

Q: As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and…

A: To determine the number of red marbles estimated by the student.

Q: Suppose that 20% of fruit flies possess a certain gene.  If we randomly select 20 fruit flies, find…

A: Let x be the number of lies possess the gene which follows binomial distribution with sample size…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.