You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years C. 5.5 years
You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years C. 5.5 years
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your
current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years,
10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of
this sample?
a. 6 years
b. 5 years
C.
c. 5.5 years
d.
6.5 years
2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%,
50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile?
c. 65%
d. 50%
a. 85%
·b. 75%
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Instruction: Select the correct answer for each of the following questions. Follow the instructions. Kindly provide a COMPLETE and CLEAR solution. Answer it ASAP because I really need it right now.
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Transcribed Image Text:1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your
current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years,
10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of
this sample?
a. 6 years
b. 5 years
C.
c. 5.5 years
d.
6.5 years
2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%,
50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile?
c. 65%
d. 50%
a. 85%
·b. 75%
Solution
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