On a December day, the probability of snow is .30. The probability of a "cold" day is .50. The probability of snow and a "cold" day is .15. Are snow and "cold" weather independent events?
A) only if given that it snowed
B) no
C) yes
D) only when they are also mutually exclusive

Question

Quizplus · Accepted Answer

Two events are independent if the probability of both occurring is the product of their individual probabilities. Here, P(snow and cold) = 0.15, which equals P(snow) * P(cold) = 0.30 * 0.50 = 0.15, confirming independence.

On a December Day, the Probability of Snow Is