Question

Rekha says that the mean of the first eight prime numbers is 9. It is correct or not ?Justify your answer

Answer 1

Answer:

Step-by-step explanation:

the answer is approximately correct.

mean=2+3+5+7+11+13+17+19/8=9.625

Answer 2

first 8 prime no.s=2,3,5,7,11,13,17,19

(2+3+5+7+11+13+17+19)/8

=[10+67)/8

=77÷8 which is not equal to 9