In a Simple Random Sample of Size 88 , There $H _ { 0 } : p = 0.31$

Multiple Choice

In a simple random sample of size 88 , there were 22 individuals in the category of interest. It is desired to test $H _ { 0 } : p = 0.31$ versus $H _ { 1 } : p < 0.31$ . Compute the test statistic $z$

A) 0.05
B) -1.22
C) 0.25
D) 4.97