# Question: A z a 2 for the 99 confidence interval

a. z a / 2 for the 99% confidence interval

b. z a / 2 for the 98% confidence interval

c. z a / 2 for the 95% confidence interval

d. z a / 2 for the 90% confidence interval

e. z a / 2 for the 94% confidence interval

b. z a / 2 for the 98% confidence interval

c. z a / 2 for the 95% confidence interval

d. z a / 2 for the 90% confidence interval

e. z a / 2 for the 94% confidence interval

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