Question

please please answer me and send a image after writing in paper please ​

Answer 1

1.18

2.52

3.22

hope it helps u

Answer 2

p(E) = No of favourable outcome / total no of outcome.

1- p( getting below 30)= 18/ 200

2- p(getting between 30-50)=52/200

3-p(getting equal to 70 or above it) =48+22/ 200 = 70/ 200

you can convert them in simple form by cutting the nominator and denominator