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3. Volunteers of 12 people agreed to be volunteer for the survey. The probability that an individual will actually show up on day of survey

3. Volunteers of 12 people agreed to be volunteer for the survey. The probability that an individual will actually show up on day of survey is 0.40

A. What is the probability that the number of people show up will be exactly 6?

B. What is ' p' that fewer than 9 will show?

C. what will be P(X> 10)

D. Find the mean and standard deviation of the number of people show up on the survey.

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