9. If the students who get the fastest 5% completion times will be exempted from the additional gym workout session, what is the slowest time that a student can have to qualify for the exemption? A. 8.40 min B. 8.42 min C. 8.44 min D. 8.46 min 10. What is the fastest completion time of the students who belong to the longest 25% of all completion times? A. 17.68 min B. 17.66 min C. 17.64 min D. 17.62 min

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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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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9. If the students who get the fastest 5% completion times will be exempted from the additional
gym workout session, what is the slowest time that a student can have to qualify for the
exemption?
A. 8.40 min
B. 8.42 min
C. 8.44 min
D. 8.46 min
10. What is the fastest completion time of the students who belong to the longest 25% of all
completion times?
A. 17.68 min
B. 17.66 min
C. 17.64 min
D. 17.62 min
EPulro nios has a
Transcribed Image Text:9. If the students who get the fastest 5% completion times will be exempted from the additional gym workout session, what is the slowest time that a student can have to qualify for the exemption? A. 8.40 min B. 8.42 min C. 8.44 min D. 8.46 min 10. What is the fastest completion time of the students who belong to the longest 25% of all completion times? A. 17.68 min B. 17.66 min C. 17.64 min D. 17.62 min EPulro nios has a
A. 6.67
В. 4
C. 3.46
D. 2.58
For numbers 6 - 10, refer to the following problem. The time it takes for Grade 11 students in a certain
school to complete a physical fitness test is normally distributed with mean 15 minutes and a standard
deviation of 4 minutes.
Transcribed Image Text:A. 6.67 В. 4 C. 3.46 D. 2.58 For numbers 6 - 10, refer to the following problem. The time it takes for Grade 11 students in a certain school to complete a physical fitness test is normally distributed with mean 15 minutes and a standard deviation of 4 minutes.
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