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Multiple-choice questions each have five possible answers (a, b, c, d, e)​, one of which is correct

Multiple-choice questions each have five possible answers (a, b, c, d, e)​, one of which is correct. Assume that you guess the answers to three such questions.

a. Use the multiplication rule to find​ P(CCW), where C denotes a correct answer, and W denotes a wrong answer.

In: Statistics and Probability

Determine whether the distribution is a discrete probability distribution. If not, state why.

Determine whether the distribution is a discrete probability distribution. If not, state why.

x

P(x)

0

0.1

1

0.5

2

0.05

3

0.25

4

0.1

In: Statistics and Probability

Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1

1) Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1 (0.9616)

2) Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. The shaded area is z=0.98 to the left.

In: Statistics and Probability

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