Appropriate use of the interval Requires a large sample. For each of the following combinations of n and p, indicate whether the sample size

Appropriate use of the interval

Requires a large sample. For each of the following combinations of n and ˆ p, indicate whether the sample size is large enough for this interval to be appropriate.
a. n = 50 and ˆ p = 0.30
b. n = 50 and ˆ p = 0.05
c. n = 15 and ˆ p = 0.45
d. n = 100 and ˆ p = 0.01

pl-p) (z critial value)