The Pizza Shop wanted to determine what proportion of its customers ordered only cheese pizza. Out of 80 customers surveyed, 15 ordered only cheese pizza. What is the
99% confidence interval of the true proportion of customers who order only cheese
Pizza?
A) $0.086

Question

The Pizza Shop wanted to determine what proportion of its customers ordered only cheese pizza. Out of 80 customers surveyed, 15 ordered only cheese pizza. What is the
99% confidence interval of the true proportion of customers who order only cheese
Pizza? 
A) $0.086 < p < 0.289$
B) $0.115 < p < 0.260$
C) $0.075 < p < 0.301$
D) $0.102 < p < 0.273$

Quizplus · Accepted Answer

The Answer of The Pizza Shop wanted to determine what proportion of its customers ordered only cheese pizza. Out of 80 customers surveyed, 15 ordered only cheese pizza. What is the
99% confidence interval of the true proportion of customers who order only cheese
Pizza? 
A) $0.086 < p < 0.289$
B) $0.115 < p < 0.260$
C) $0.075 < p < 0.301$
D) $0.102 < p < 0.273$

The Pizza Shop Wanted to Determine What Proportion of Its 0.086<p<0.2890.086 < p < 0.2890.086<p<0.289

The Pizza Shop Wanted to Determine What Proportion of Its $0.086 < p < 0.289$