Question

an integer is chosen at random between 1 to 100 find the probability that it is divisible by 7 it is not divisible by 7​

Answer 1

Step-by-step explanation:

7,14,21,28...98

n=14

probability of numbers which are divisibleby 7 = N(E)/N(S)

14/100=7/50

P(notE)= 1-P(E)

=1-7/50

=43/50

I hope it will help you

Answer 2

Answer:

Integers between 1 to 100

i.e; 2,3,4,5,................,98,99

Divisible by 7

i.e; 7,14,21,28,35,42,49,56,63,70,77,84,91,98

Total possible outcome (TPO) = 98

Favorable outcome (F.O) = 14

P( Divisible by 7 ) = 14/98Fa

= 7/49

= 1/7 (ANS)

Not divisible by 7

i.e; Favorable outcome (F.O) = Total possible outcome (TPO) - 14

F.O = 98 - 14

F.O = 84

P( Not divisible by 7 ) = 84/98

= 6/7 ( ANS )

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