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According to a survey by Accountemps, 48% of executives believe that employees are most productive on...

According to a survey by Accountemps, 48% of executives believe that employees are most productive on Tuesdays. Suppose 200 executives are randomly surveyed.

a. What is the probability that fewer than 90 of the executives believe employees are most productive on Tuesdays?

b. What is the probability that more than 105 of the executives believe employees are most productive on Tuesdays?

c. What is the probability that more than 84 of the executives believe employees are most productive on Tuesdays? (Round the values of z to 2 decimal places. Round the intermediate values to 4 decimal places. Round your answers to 4 decimal places.)

Math   Statistics-And-Probability   
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