T 6. During a recent paint sale at Corner Hardware, the number of cans of paint purchased was distributed as shown. Find

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T 6 During A Recent Paint Sale At Corner Hardware The Number Of Cans Of Paint Purchased Was Distributed As Shown Find 1 (26.68 KiB) Viewed 31 times

T 6. During a recent paint sale at Corner Hardware, the number of cans of paint purchased was distributed as shown. Find the mean, variance, and standard deviation of the probability distribution. Number of inquiries, x 1 2 3 4 5 84 54 30 20 1 Frequency, f Answer: mean=2.1, variance=1.5, standard dev=1.2 7. If 80% of a job applicant are able to pass a computer literacy test, find the mean, variance, and standard deviation of the number of people who pass the examination in a sample of 150 applicants. Answer: mean=120, variance=24, standard dev=4.9