Question: question 18 according to the cdc 28 of high school...
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Question 18
According to the CDC 2.8% of high school students currently use electronic cigarettes. A high school counselor is concerned that the use of ecigs at her school is higher.
A test of the following hypothesis Ho: p = 0.028 Ha: p > 0.028 is conducted using a random sample of 50 students at this school and the null hypothesis is rejected. What conclusion can the counselor make?
A. 
There is not enough evidence that the percent of students using ecigs is higher than2.8%. 

B. 
There is enough evidence that the percent of students using ecigs is 2.8%. 

C. 
There is enough evidence that the percent of students using ecigs is higher than2.8%. 

D. 
There is not enough evidence that the percent of students using ecigs is 2.8%. 