MATH 1550 Calculate the expected value and the standard deviation

| June 14, 2018

Consider a population proportion p = 0.53.a-1.Calculate the expected value and the standard deviation of with n = 21. (Round your intermediate calculations to 4 decimal places, “expected value” to 2 decimal places and “standard deviation” to 4 decimal places.) Expected value Standard deviationa-2.Is it appropriate to use the normal distribution approximation for ?YesNob-1.Calculate the expected value and the standard deviation of with n = 34. (Round your intermediate calculations to 4 decimal places, “expected value” to 2 decimal places and “standard deviation” to 4 decimal places.) Expected value Standard deviationb-2.Is it appropriate to use the normal distribution approximation for ?YesNo

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