In January 2011, the average monthly rental rate for one-bedroom apartments in a certain city was $795. Suppose rental rates across all one-bedroom apartments in this city follow approximately a normal distribution, with a standard deviation of $130. Find the approximate proportion of one-bedroom apartments for which the rental rate: a. is at least $1000 a month. b. is less than $500 a month. c. is between $500 and $1000 a month.
In January 2011, the average monthly rental rate for one-bedroom apartments in a certain city was $795. Suppose rental rates across all one-bedroom apartments in this city follow approximately a normal distribution, with a standard deviation of $130. Find the approximate proportion of one-bedroom apartments for which the rental rate: a. is at least $1000 a month. b. is less than $500 a month. c. is between $500 and $1000 a month.
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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In January 2011, the average monthly rental rate for one-bedroom apartments in a certain city was $795. Suppose rental rates across all one-bedroom apartments in this city follow approximately a normal distribution, with a standard deviation of $130.
Find the approximate proportion of one-bedroom apartments for which the rental rate:
a. is at least $1000 a month.
b. is less than $500 a month.
c. is between $500 and $1000 a month.
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