Answer:
The options given in the question are incorrect , the correct options are:
a. - 1.645 b. -2.066 c. -2.000 d. -1.960
The test statistic to see whether the proportion is below the requirement is c. -2.000.
Step-by-step explanation:
p= 24/64 = .375
π0= .50
zcalc= (0.375 - 0.50)/[(0.50)(1 - 0.50)/64]= -2.000