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A Gallup poll found that 67% of all adults in the US believe in climate change. Suppose you interview 21 US adults at random. 1.

A Gallup poll found that 67% of all adults in the US believe in climate change. Suppose you interview 21 US adults at random.

1. What is the mean for this probability distribution (Round to two decimal places.)

2. What is the standard deviation for this probability distribution (Round to two decimal places.)

3. What is the expected number of people in this sample that are illiterate?

Mean = ................. Round to two decimal places

Standard Deviation =...................... Round to two decimal places

Expected Number = ......................... Round to two decimal places

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