1. Describe the distribution of the mean of the sample means for samples of sizes i) ii) 10 50. 2. Determine the probability that a random sample of 50 non-residential buildings will have a mean age of i) ii) 27.5 years or less between 28 and 33 years.

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
icon
Related questions
Question

1.

Ex . 1. 7.
The mean age of non-residential buildings is 30 years and their standard
deviation 5 years. The distribution of the ages is not normal.
1.
Describe the distribution of the mean of the sample means for samples of sizes
i)
ii)
10
50.
2.
Determine the probability that a random sample of 50 non-residential buildings
will have a mean age of
i)
27.5 years or less
ii)
between 28 and 33 years.
Transcribed Image Text:Ex . 1. 7. The mean age of non-residential buildings is 30 years and their standard deviation 5 years. The distribution of the ages is not normal. 1. Describe the distribution of the mean of the sample means for samples of sizes i) ii) 10 50. 2. Determine the probability that a random sample of 50 non-residential buildings will have a mean age of i) 27.5 years or less ii) between 28 and 33 years.
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill