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Partial Question 14 4 / 5 pts https://4cd.instructure.com/courses/85856/quizzes/453421 11/19 4/16/23, 6:34 PM Unit 2 Practice Test (FA22): 8077 - Elem Statistics/Probability 0.26 0.22 0.18 0.02
Partial Question 14 4 / 5 pts https://4cd.instructure.com/courses/85856/quizzes/453421 11/19 4/16/23, 6:34 PM Unit 2 Practice Test (FA22): 8077 - Elem Statistics/Probability 0.26 0.22 0.18 0.02 0.08 0.10 0.09 -0.01 0.04 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Weight (1b) The continuous probability distribution above represents the probability of catching a fish in each weight range. Use the curve to answer the questions below. a) Find the probability that a fish weighs between 1.5 and 2.5 pounds. P(1.5 S x S 2.5) = 0.44 b) Find the probability that a fish weighs less than 2 pounds. P(x S 2) = [Select ] c) Find the probability that a fish weighs more than 2 pounds. P(x 2 2) = [ Select ] d) What is the sum of the probabilities in the diagram? [ Select ] V e) What type of distribution is this?Question 7 4 pts Answer the following questions about probabilities. a) How would you translate the notation P(A| B) to English? [Select] 3 b) We say events are dependent if 4? [Select] c) What is a false positive in a medical test? It is when the test is positive b 9 d) The probability that you would roll ve dice and they would all be ones is [Select] 6 D Question 19 7 pts Weights of Maine Coon Cats are normally distributed. The average weight of an adult male Maine Coon is 20 pounds, with standard deviation 3.5 pounds. a) What is the probability an adult male Maine Coon will weigh: o less than 18 pounds? P(x s 18) = [ Select ] o more than 28 pounds? P(x 2 28) = [ Select ] o between 15 and 25 pounds? P(15s x s 25) = [ Select ] b) What are the weights of the heaviest 15% of male Maine Coon cats? [ Select ] and [ Select ] c) Katrina's male Maine Coon, Curly, weighs 25 pounds. o Find the corresponding z-score for Curly's weight. z = [ Select ] o Is Curly considered unusually heavy for a male Maine Coon? [ Select ]
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