what is the probability 3 a number selected from the number 1,2,3,.........,20 such that it is a prime number
Answers
Answered by
2
Answer:
8/20
Step-by-step explanation:
since 2,3,5,7,9,11,13,17,19 are prrime no.s between 1to20.hence P(OF GETTING A PRIME NO.)IS8/20
Answered by
1
Answer:
2/5
Step-by-step explanation:
Prime no from 1 to 20 is
A = { 2, 3 , 5, 7, 11, 13 ,17, 19)
total outcome n(S) = 20
P(A)= n(A)/n(S)
= 8/20= 4/5
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