6. The following histogram gives the times taken by a random sample of workers of a company to complete a specific task. Number of Workers 2987 co 10 10 चल 3 2 1 0 10 20 30 40 50 Time (min) An estimate of the mean time taken by this group of workers is: A. 51.7 min B. 47.0 min C. 49.7 min D. 50.0 min 60 70 80 90

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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6. The following histogram gives the times taken by a random sample of workers of a company to
complete a specific task.
Number of Workers
10
ܘ ܩ ܗ ܕ ܗ
A. 0.084
B. 0.400
C. 0.854
D. 0.454
0
10
20 30
40 50 60
Time (min)
An estimate of the mean time taken by this group of workers is:
A. 51.7 min.
B. 47.0 min
C. 49.7 min
D. 50.0 min.
70
▬▬
80 90
7. Consider this question stem for both the current question (7) and question eight (8): A sample of ten
employees at an auditing firm is randomly selected. The probability that three employees in this sample
have an honors' degree is 0.215 while the probability that four employees in this sample have an
honors' degree is 0.251. Given that the probability of a success is p, determine the value of p
approximate to three (3) decimal places.
Transcribed Image Text:6. The following histogram gives the times taken by a random sample of workers of a company to complete a specific task. Number of Workers 10 ܘ ܩ ܗ ܕ ܗ A. 0.084 B. 0.400 C. 0.854 D. 0.454 0 10 20 30 40 50 60 Time (min) An estimate of the mean time taken by this group of workers is: A. 51.7 min. B. 47.0 min C. 49.7 min D. 50.0 min. 70 ▬▬ 80 90 7. Consider this question stem for both the current question (7) and question eight (8): A sample of ten employees at an auditing firm is randomly selected. The probability that three employees in this sample have an honors' degree is 0.215 while the probability that four employees in this sample have an honors' degree is 0.251. Given that the probability of a success is p, determine the value of p approximate to three (3) decimal places.
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