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Chapter 6 Forum In the Healthy Hand-washing Survey conducted by Bradley Corporation, it was found that...

Chapter 6 Forum In the Healthy Hand-washing Survey conducted by Bradley Corporation, it was found that 64% of adult Americans operate the flusher of toilets in public restrooms with their foot. (a) Suppose a random sample of n = 12 adult Americans is obtained and the number x who flush public toilets with their foot is recorded. Explain why this is a binomial experiment. (b) What is the probability a exactly 8 adults flush public toilets with their foot? (c) What is the probability that fewer than 8 who flush public toilets with their foot? (d) What is the mean and the standard deviation of the binomial probability? You may use your TI 84 to answer the probability questions. However, state the formula used and how you use it.

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