Use the following information to answer the next six exercises: A researcher measures the amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation of 0.5. The researcher randomly selects a sample of 100. 16. Find the probability that the sum of the 100 values is greater than 3,910. 17. Find the probability that the sum of the 100 values is less than 3,900. 18. Find the probability that the sum of the 100 values falls between the numbers you found in
Use the following information to answer the next six exercises: A researcher measures the amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation of 0.5. The researcher randomly selects a sample of 100. 16. Find the probability that the sum of the 100 values is greater than 3,910. 17. Find the probability that the sum of the 100 values is less than 3,900. 18. Find the probability that the sum of the 100 values falls between the numbers you found in
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 4PTTS
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Question
16-21 please
Transcribed Image Text:4
13. Find the sum that is one standard deviation above the mean of the sums. 7326.491
14. Find the sum that is 1.5 standard deviations below the mean of the sums. 7010.263
7
15. Find the percentage of sums between 1.5 standard deviations below the mean of the sums
and one standard deviation above the mean of the sums. 77.454%
I
Use the following information to answer the next six exercises: A researcher measures the
amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation
of 0.5. The researcher randomly selects a sample of 100.
16. Find the probability that the sum of the 100 values is greater than 3,910.
17. Find the probability that the sum of the 100 values is less than 3,900.
18. Find the probability that the sum of the 100 values falls between the numbers you found in
19. Find the sum with a z-score of-2.5.
20. Find the sum with a Z-score of 0.5.
21. Find the probability that the sums will fall between the z-scores -2 and 1.
Use the following information to answer the next four exercises: An unknown distribution has a
mean 12 and a standard deviation of one. A sample size of 25 is taken. Let X = the object of
interest.
22. What is the mean of EX?
23. What is the standard deviation of EX?
24. What is P(Ex = 290)?
25. What is P(Ex> 290)?
26, True or False: only the sums of normal distributions are also normal distributions.
在
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