Question

find the mean of all prime numbers between 20 and 40. step by step explaining plz
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Answer 1

prime number:- it has only two factors those are 1 and itself

the prime numbers between 20and 40 are 23,29,31,37

mean :- sum of observations/no of observations

mean:- 23+29+31+37/4

mean:- 120/4

mean:- 30

mean of prime numbers between 20 and 40 is 30

Answer 2

Answer:

Mean =30

Step-by-step explanation:

All prime numbers between 20 and40 are as follows

23,29,31 and 37

Hence, the mean can be calculated as below

Mean = Sum of numbers / Number of numbers

(23+29+31+37)/4

We get,

=120/4

=30

Therefore, mean=30