Find the mean of prime numbers below 20​

Answers (2)

prime numbers below 20 are 2,3,5,7,11,13,17,19 total 8 numbers

mean= (2+3+5+7+11+13+17+19)/8 = 77/8 = 9.625

Prime numbers are 1,23,5,7,11,13,17,19

Mean = (1+2+3+5+7+11+13+15+17+19)/9

78/9

8.6

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