Imagine in your mind that a fair 20-sided die, with faces labled 1,2,3, . . ., 20, is rolled ten times. What is the expected value of the sum of the rolls? A. 20

B. 60

C. 100

D. 105

P. S: This isn't part of the problem but put this link in. https://youtu. be/ub82Xb1C8os

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?