If the Estimate of Expected Population Proportion Having a Desired

Multiple Choice

If the estimate of expected population proportion having a desired characteristic based on intuition is 60 percent, the acceptable error is plus or minus 5 percent, and the z-value for a 95 percent level of confidence is 1.96, the needed sample size is approximately:

A) 187.
B) 369.
C) 295.
D) 196.
E) 950.