P(A) = 3/4
P(B) = 1/3
If A and B are independent, what is P(A n B)?

A) 13/12
B) 1/4
C) 9/12
D) 5/12

step-by-step explanation:

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.