Q and R are not mutually exclusive events. If P(Q) = 0.12, P(R) = 0.25, and P(Q and R) = 0.03, find P(Q or R).
To find P(Q or R), we can use the formula:
P(Q or R) = P(Q) + P(R) - P(Q and R)
Given that P(Q) = 0.12, P(R) = 0.25, and P(Q and R) = 0.03, we can substitute these values into the formula:
P(Q or R) = 0.12 + 0.25 - 0.03
= 0.37
Therefore, P(Q or R) is equal to 0.37.
are you sure
Apologies for the mistake.
Given that Q and R are not mutually exclusive events, we cannot simply subtract P(Q and R) from P(Q) + P(R) to find P(Q or R).
To find P(Q or R), we need to use the formula:
P(Q or R) = P(Q) + P(R) - P(Q and R).
Given that P(Q) = 0.12, P(R) = 0.25, and P(Q and R) = 0.03, we can substitute these values into the formula:
P(Q or R) = 0.12 + 0.25 - 0.03
= 0.34.
Therefore, P(Q or R) is equal to 0.34.