Question

what is the difference between the greatest and smallest prime number lying between 30 and 50​

Answer 1

Step-by-step explanation:

First we want to write prime numbers 30 to 50

31,37,41,43,47

we know,

Average=Sum of Observation/no.of number

Sum of observation=31+37+41+43+47=199

No. of Observation=5

Average=199/5

Average=39.8