Question

1 to 25
not
Find the probability that a number selected
from the number
which is a primo.
number when each of the given number is
equally likely to be selected.
S = { 1, 4, 6, 8, 9, 12, 14, 15, 16, 18, 20, 21, 22, 24,
25 §
ncs) = 15​

Answer 1

Answer:

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Answer 2

Answer

Numbers from 1 to 25 are (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)

Prime Numbers = 2, 3, 5, 7, 11, 13, 17, 19, 23

Total Prime numbers = 9

Total Numbers = 25

Let x be the event of getting prime numbers P(x)= 9 / 25

Therefore the probability of getting non-prime number = 1 − 9 / 25 = 16 / 25