An elevator has a placard stating that the maximum capacity is 2280 lb—15 passengers. So, 15 adult male passengers can have a mean weight of up to 2280/15=152 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they have a mean weight greater than 152 lb. (Assume that weights of males are normally distributed with a mean of 161 lb and a standard deviation of 25 lb.) Does this elevator appear to be safe? The probability the elevator is overloaded is nothing. (Round to four decimal places as needed.) Does this elevator appear to be safe? A. No, there is a good chance that 15 randomly selected people will exceed the elevator capacity. B. Yes, there is a good chance that 15 randomly selected people will not exceed the elevator capacity. C. No, 15 randomly selected people will never be under the weight limit. D. Yes, 15 randomly selected people will always be under the weight limit.
An elevator has a placard stating that the maximum capacity is 2280 lb—15 passengers. So, 15 adult male passengers can have a mean weight of up to 2280/15=152 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they have a mean weight greater than 152 lb. (Assume that weights of males are normally distributed with a mean of 161 lb and a standard deviation of 25 lb.) Does this elevator appear to be safe? The probability the elevator is overloaded is nothing. (Round to four decimal places as needed.) Does this elevator appear to be safe? A. No, there is a good chance that 15 randomly selected people will exceed the elevator capacity. B. Yes, there is a good chance that 15 randomly selected people will not exceed the elevator capacity. C. No, 15 randomly selected people will never be under the weight limit. D. Yes, 15 randomly selected people will always be under the weight limit.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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| Student:N/A Date: 10/22/20 |
Instructor: Mehdi Safaee Course: Fall 2020 - Elementary Statistics (MW) |
Assignment: Math 160 Homework 3 Chapter 6, 7, and 8 |
17.
An elevator has a placard stating that the maximum capacity is
probability that it is overloaded because they have a mean weight greater than
2280
lb—15
passengers. So,
15
adult male passengers can have a mean weight of up to
2280/15=152 pounds.
If the elevator is loaded with
15
adult male passengers, find the 152
lb. (Assume that weights of males are normally distributed with a mean of
161 lb
and a standard deviation of
25 lb.)
Does this elevator appear to be safe?The probability the elevator is overloaded is
nothing.
(Round to four decimal places as needed.)
Does this elevator appear to be safe?
No, there is a good chance that
15
randomly selected people will exceed the elevator capacity.Yes, there is a good chance that
15
randomly selected people will not exceed the elevator capacity.No,
15
randomly selected people will never be under the weight limit.Yes,
15
randomly selected people will always be under the weight limit.
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