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B. 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 C. 3.75 % D. 96.33% A. 25.25% B. 74.75%

B. 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 C. 3.75 % D. 96.33% A. 25.25% B. 74.75%

MATLAB: An Introduction with Applications
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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Ii. 11 & 12
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
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