Question

a number is choosen rendom from number a number is chosen at random from number - 3,-2,-1,0,1,2,3
what will be the probability that square of this number is less than or equal to 1

Answer 1

Hello friend,
Here's your answer:

Probability = (Number of trials in which the event happened) /(Total number of trials)

So

Case 1)

Less than one: 4 numbers.
Total: 7
Probability = 4/7

Case 2)

Equal to one: 1 number
Total: 7
Probability = 1/7

Hope my answer helps you.