0 Question 16 v The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 57 pounds and a standard deviation of 12 pounds. You select a grizzly bear at random. Use the Empirical Rule (68-95-99.7} to find the following probabilities. Do not round any answers. a. Probability the bear weighs less than 21 pounds: b. Probability the bear weighs between 21 and 33 pounds: c. Probability the bear weighs more than 33 pounds: . Question 17 v The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 50 pounds and a standard deviation of 7 pounds. You select a grizzly bear at random. Use the Empirical Rule (68-95-99.7} to find the following. Do not round any answers. a. The percentile of a 36 pound bear: b. Out of a random sample of 100 bears, how many you would expect to weigh between 36 and 57 pounds: c. The cutoff (in pounds] for the heaviest 1696 of bears: . Question 19 v Heights of redwood trees in a forest follow a normal distribution with a mean height of 157 feet and a standard deviation of 41 feet. Round answers to one decimal, if needed. a. What is the 2 value of a tree that is 159 feet tall? b. What is the height {in feet] of a tree with Z-value = 2.8