Question

Help me!!!

In July in Virginia, the temperature can quickly rise above 90 degrees Fahrenheit, which can also lead to thunderstorms. The probability that the temperature will rise above 90 on a randomly chosen day is 0.68, and the probability of thunderstorms is 0.29. If the temperature rises above 90 degrees, the probability of a thunderstorm is 0.56. What is the probability that the temperature rises above 90 degrees and there is a thunderstorm on a randomly chosen day in July?

0.16
0.20
0.29
0.38

Answer 1

The probability that the temperature rises above 90 degrees and there is a thunderstorm on a randomly chosen day in July = 0.38

So, Option D is correct.

Explanation:

The probability that the temperature will rise above 90 on a randomly chosen day = 0.68

The probability of thunderstorms= 0.29

If the temperature rises above 90 degrees, the probability of a thunderstorm = 0.56

We need to find the probability that the temperature rises above 90 degrees and there is a thunderstorm on a randomly chosen day in July?

So, the probability can be found by multiplying the probability that the temperature will rise above 90 on a randomly chosen day with if the temperature rises above 90 degrees, the probability of a thunderstorm

i.e

the probability that the temperature rises above 90 degrees and there is a thunderstorm on a randomly chosen day in July = 0.68 x 0.56 = 0.38

So, Option D is correct.