Question

Find the mean of the prime numbers between 9 and 50?

• A. 18
• B. 12
• C. 30
• D. 15

Answer 1

Answer:

C. 30

Prime numbers = 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37 , 41 ,43 , 47 , 49 Total terms = 12 Total sum = 360 Mean = (Total sum)/(Number of terms) Mean = 360/12 Mean = 30