the probab 9. What is the value of the mean of the sample means? A. 2.3 В. 27 C. 28.3 D. 40 10. What is the value of the standard deviation of the sampled population?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Ii. 9 & 10
For questions 9-12. The average age of tennis players in French Open 2020 is 28.3 years old and
has a standard deviation of 2.3 years. If we can assume the ages are normally distributed, what
the probability that the average age of 10 randomly selected players is younger than 27 years old?
9. What is the value of the mean of the sample means?
C. 28.3
D. 40
A. 2.3
В. 27
10. What is the value of the standard deviation of the sampled population?
С. 2.3
D. 28.3
A. 0.23
В. 0.73
11. Which of the following probability notations represents the z-score?
A. P(z<27)
B. P(z>27)
C. P( z<-1.78)
D. P( z<1.78)
12. What is the probability that the average age of players is younger than 27 years old?
A. 25.25%
C. 3.75 %
B. 74.75%
D. 96.33%
For questions 13-15. On the average, male drinks 2 liters when active outdoors with a standard
deviation of 0.7 liter. You are planning a full day nature trip for 45 men and will bring 100 liters of
water.
13. What is the value of the sample mean ?
А.2
С. 2.85
В. 2.22
D. 100
14. What is the value of the standard error?
A. 0.1
С.2
В. 0.7
D. 45
15. What is the probability that you will run out of water?
A. 0%
C. 12.35%
В. 1.39%
D. 100%
86 STATISTICS AND PROBABILITY: A MODERN APPROACH FOR THE NEW GENERATION
Transcribed Image Text:For questions 9-12. The average age of tennis players in French Open 2020 is 28.3 years old and has a standard deviation of 2.3 years. If we can assume the ages are normally distributed, what the probability that the average age of 10 randomly selected players is younger than 27 years old? 9. What is the value of the mean of the sample means? C. 28.3 D. 40 A. 2.3 В. 27 10. What is the value of the standard deviation of the sampled population? С. 2.3 D. 28.3 A. 0.23 В. 0.73 11. Which of the following probability notations represents the z-score? A. P(z<27) B. P(z>27) C. P( z<-1.78) D. P( z<1.78) 12. What is the probability that the average age of players is younger than 27 years old? A. 25.25% C. 3.75 % B. 74.75% D. 96.33% For questions 13-15. On the average, male drinks 2 liters when active outdoors with a standard deviation of 0.7 liter. You are planning a full day nature trip for 45 men and will bring 100 liters of water. 13. What is the value of the sample mean ? А.2 С. 2.85 В. 2.22 D. 100 14. What is the value of the standard error? A. 0.1 С.2 В. 0.7 D. 45 15. What is the probability that you will run out of water? A. 0% C. 12.35% В. 1.39% D. 100% 86 STATISTICS AND PROBABILITY: A MODERN APPROACH FOR THE NEW GENERATION
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman