QUESTION 2 You want to construct a confidence interval for the mean number of taste buds in top chefs. Assume the population standard deviation is 750. 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. a. decreasing the confidence level b. increasing the acceptable margin of error c. increasing the confidence level d. decreasing the acceptable margin of error