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According to USPS study, the weights of shipment packages are normally distributed with a mean of 28.2 oz and a standard deviation of 5 oz. Let X be the weight of a randomly selected package. 1. Describe the probability distribution of X and state its parameters μ and o: X - Select an answer |(μ= Select an answer FTXBNZ 2. Find the probability that the weight of a randomly selected package is a. less than 25 oz. (Round the answer to 4 decimal places) b. between 32 and 40 oz. c. more than 33 oz. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 55-th percentile for the weights of shipment packages. decimal place) oz (Round the answer to 1

According to USPS study, the weights of shipment packages are normally distributed with a mean of 28.2 oz and a standard deviation of 5 oz. Let X be the weight of a randomly selected package. 1. Describe the probability distribution of X and state its parameters μ and o: X - Select an answer |(μ= Select an answer FTXBNZ 2. Find the probability that the weight of a randomly selected package is a. less than 25 oz. (Round the answer to 4 decimal places) b. between 32 and 40 oz. c. more than 33 oz. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 55-th percentile for the weights of shipment packages. decimal place) oz (Round the answer to 1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question 10 According to USPS study, the weights of shipment packages are normally distributed with a mean of 28.2 oz and a standard deviation of 5 oz. Let X be the weight of a randomly selected package. 1. Describe the probability distribution of X and state its parameters and σ: (μl = X Select an answer Select an answer a. less than 25 oz. b. between 32 and 40 oz. c. more than 33 oz. TBNZ 2. Find the probability that the weight of a randomly selected package is (Round the answer to 4 decimal places) J = (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 55-th percentile for the weights of shipment packages. decimal place) oz (Round the answer to 1
Transcribed Image Text:Question 10 According to USPS study, the weights of shipment packages are normally distributed with a mean of 28.2 oz and a standard deviation of 5 oz. Let X be the weight of a randomly selected package. 1. Describe the probability distribution of X and state its parameters and σ: (μl = X Select an answer Select an answer a. less than 25 oz. b. between 32 and 40 oz. c. more than 33 oz. TBNZ 2. Find the probability that the weight of a randomly selected package is (Round the answer to 4 decimal places) J = (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 55-th percentile for the weights of shipment packages. decimal place) oz (Round the answer to 1
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