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You want to construct a confidence interval for the mean number of taste buds in top chefs. Assume the population standard deviation is750. a) Calculate

You want to construct a confidence interval for the mean number of taste buds in top chefs. Assume the population standard deviation is750.

a) Calculate the minimum required sample size if you want a margin of error no greater than 150 at the 99% confidence level. Enter your answer as a whole number.

The minimum sample size is chefs.

b) What will cause the minimum required sample size to increase? Select all that apply, seperate by a coma.

  1. decreasing the confidence level
  2. increasing the acceptable margin of error
  3. increasing the confidence level
  4. decreasing the acceptable margin of error

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