Assume that on a standardized test of 100 questions, a person has a probability of 85% of answering any particular question correctly. Find the probability of answering between 70 and 80 questions, inclusive. (Assume independence, and round your answer to four decimal places.) P70 X 80) Need Help? Pe

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A: blood type proportion A 0.41 B 0.1 AB 0.04 O 0.45

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Q: 2. A student answers a multiple-choice question either by knowing the answer or by guessing. The…

A: n=5, p=40%

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Q: 80% of people who purchase pet insurance are women. If 9 pet insurance are randomly selected. Find…

A: given dataP(women pet insurer) = p = 0.80ample size (n) = 9x = no. of women pet insurerP(x=6) = ?