The distribution of the number of viewers for the American Idol television broad

Question

The distribution of the number of viewers for the American Idol television broadcasts follows the normal distribution with a mean of 31 million and a standard deviation of 10 million.

What is the probability that next week's show will:

(a)

Have between 35 and 42 million viewers? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability

(b)

Have at least 23 million viewers? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability

(c)

Exceed 50 million viewers? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Probability

Explanation / Answer

It takes much longs to upload solution, here are ur answers (a) _ 0.2089 _ (b)_ 0.7881 _ _ (c) 0.0228

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