5.66 Integers II Refer to Exercise 5.65. Twenty people are asked to select a number from 0...

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5.66 Integers II Refer to Exercise 5.65. Twenty people are asked to select a number from 0 to 9. Eight of them choose a 4, 5, or 6.

a. If the choice of any one number is as likely as any other, what is the probability of observing eight or more choices of the numbers 4, 5, or 6?

b. What conclusions would you draw from the results of part a?

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