Question
1) The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 55 pounds and a standard deviation of 4
1) The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 55 pounds and a standard deviation of 4 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 55 pounds: b. Probability the bear weighs between 55 and 67 pounds:
c. Probability the bear weighs more than 67 pounds:
2) The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 64 pounds and a standard deviation of 11 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 86 pound bear: b. Out of a random sample of 102 bears, how many you would expect to weigh between 86 and 97 pounds: c. The cutoff (in pounds) for the heaviest 0.15% of bears:
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started