A certain drug is used to treat asthma. In a clinical trial of the drug, 20 of 300 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 10% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.05 significance level.What is the final conclusion?

1-PropZTest

Prop<0.1

z=-1.924500897

p=0.0271459142

^

p=0.0666666667

n=300

A.There is not sufficient evidence to warrant rejection of the claim that less than 10% of treated subjects experienced headaches.

B.There is not sufficient evidence support the claim that less than 10% of treated subjects experienced headaches.

C.There is sufficient evidence to warrant rejection of the claim that less than 10% of treated subjects experienced headaches.

D.There is sufficient evidence support the claim that less than 10% of treated subjects experienced headaches.