Question

A machine dispenses water into a glass. Assuming that the amount of water dispensed follows a continuous uniform distribution from 10 ounces to 16 ounces, what is the probability that 13 or more ounces will be dispensed in a given glass? .3333 .5000 .6666 .1666

Answer 1

I guess they rounded, but the answer is .5000 or 50% chance

Explanation:

Count the total chances. There is a chance it will be 10oz, 11oz, 12oz, 13oz, 14oz, 15oz, or 16oz. The question asked 13 or more. That is 13, 14, 15, and 16.

That is a 4/7 chance or probability it will be more than 13oz. Divide 4 and 7 to get your answer.

0.57 or 57%