Suppose Q and R are independent events, and P(Q) = 0.45, P(R) = 0.31. Find P(Q and R). A. 0.1395 B. 0.063 C. 0.14 D. 0.76

Question

asked Apr 24, 2018 177k views

2 Answers

CyberMonk · Answer 1 · 2018-04-27T19:31:25+0000

Answer:

0.1395

Explanation:

We are given that Q and R are independent events.

P(Q)=0.45

P(R)=0.31

We have to find the value of P(Q and R).

We know that when two events are independent then

$P(A\cap B)=P(A)\cdot P(B)$

$P(Q\cap R)=0.45* 0.31=0.1395$

Answer:P( Q and R)=0.1395