Find the z* values based on a standard normal distribution for each of the following.

1. An 88% confidence interval for a correlation.

A) 2.575

B) 1.175

C) 2.326

D) 1.555

2. A 78% confidence interval for a mean.

A) 0.772

B) 1.227

C) 1.514

D) 1.126