Question

an integer is selected at random from 1 to 100 probability that it is divisible by 7 is​

Answer 1

Answer:

1/4

Step-by-step explanation:

If event A=numbers are divisible by 7

you can get 7 14 21 28 35 42 49 56 63 70 77 84 91 98

P(A)=14/100

If event B=numbers are divisible by 8

you can get 8 16 24 32 40 48 56 64 72 80 88 96

P(B)=12/100

P(AB)=1/100

You can get the answer that is P(A∪B)=P(A)+P(B)-P(AB)=14/100+12/100–1/100=1/4

Hope it's helps you a lot :-)

Answer 2

Answer:

14/100

Step-by-step explanation:

total no divisible by 7 =14

total no =100

probability =14/100or7/50