1. The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 21 minutes. What is the probability that washing dishes tonight will take me between 18 and 20 minutes? Give your answer accurate to two decimal places.

2. A particular fruit's weights are normally distributed, with a mean of 546 grams and a standard deviation of 40 grams. If you pick one fruit at random, what is the probability that it will weigh between 458 grams and 633 grams

3.

Sketch the region corresponding to the statement P{z c: 1] Shade: Left of a value v . Click and drag the arrows to adjust the vaLues. Sketch the region corresponding to the statement P{ C