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A certain state has the highest high school graduation rate of all states at 75%. a. In a random sample of 10 high school students

A certain state has the highest high school graduation rate of all states at 75%.

a. In a random sample of 10 high school students from the state, what is the probability that 9 will graduate?

b. In a random sample of 10 high school students from the state, what is the probability than 8 or fewer will graduate?

c. What is the probability that at least 9 high school students in our sample of 10 will graduate?

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