Question content area top Part 1 An elevator has a placard stating that the maximum capacity is 44004400 lblong dash—2929 passengers. So, 2929 adult male passengers can have a mean weight of up to 4400 divided by 29 equals 152 pounds.4400/29=152 pounds. Assume that weights of males are normally distributed with a mean of 185 lb185 lb and a standard deviation of 28 lb28 lb. a. Find the probability that 1 randomly selected adult male has a weight greater than 152152 lb. b. Find the probability that a sample of 2929 randomly selected adult males has a mean weight greater than 152152 lb. c. What do you conclude about the safety of this elevator?
Question content area top Part 1 An elevator has a placard stating that the maximum capacity is 44004400 lblong dash—2929 passengers. So, 2929 adult male passengers can have a mean weight of up to 4400 divided by 29 equals 152 pounds.4400/29=152 pounds. Assume that weights of males are normally distributed with a mean of 185 lb185 lb and a standard deviation of 28 lb28 lb. a. Find the probability that 1 randomly selected adult male has a weight greater than 152152 lb. b. Find the probability that a sample of 2929 randomly selected adult males has a mean weight greater than 152152 lb. c. What do you conclude about the safety of this elevator?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Question content area top
Part 1
An elevator has a placard stating that the maximum capacity is
mean weight of up to
normally distributed with a mean of
44004400
lblong dash—2929
passengers. So,
2929
adult male passengers can have a 4400 divided by 29 equals 152 pounds.4400/29=152 pounds.
Assume that weights of males are 185 lb185 lb
and a standard deviation of
28 lb28 lb.
a. Find the probability that 1 randomly selected adult male has a weight greater than
152152
lb.b. Find the probability that a sample of
2929
randomly selected adult males has a mean weight greater than
152152
lb.c. What do you conclude about the safety of this elevator?
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