# UB COM 101 - FINAL Review Key (7 pages)

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## FINAL Review Key

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- Pages:
- 7
- School:
- University at Buffalo-SUNY
- Course:
- Com 101 - Principles Of Comm

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REVIEW FINAL EXAM MGQ201 VERSION ONE 1 Determine the required value of the missing probability to make the distribution a discrete probability distribution x P x 3 28 4 5 34 6 15 A 0 23 B 0 67 C 0 01 D 0 32 For questions 2 and 3 consider the discrete probability distribution below Outcome Probability 1 0 34 2 0 17 3 0 22 4 0 27 2 Compute the mean of the distribution round to two decimal places A 2 00 B 3 42 C 2 5 D 2 42 3 Compute the standard deviation of the distribution round to three decimal places A 1 210 B 2 110 C 1 496 D 2 599 For questions 4 7 consider the following information A bread distributor wants you to recommend how many loaves of multigrain bread to make each morning by 11AM Each loaf costs the distributor 4 00 and can be sold for 7 00 and leftover loaves are donated to the local shelter Demands for the loaves of 25 50 and 75 are 30 20 and 50 respectively 4 What is the expected monetary value when baking 25 loaves A 50 B 75 C 90 D 97 5 5 What is the expected monetary value when baking 50 loaves A 50 B 75 C 90 D 97 5 6 What is the expected monetary value when baking 75 loaves A 50 B 65 C 85 D 97 5 7 How many loaves would you recommend that the baker makes each morning A 0 batches B 25 batches C 50 batches D 75 batches For questions 8 10 consider the following information There is a binomial distribution where p 0 6 and n 6 8 What is the probability that x equals 2 A P x 2 0 1382 B P x 2 0 8618 C P x 2 0 0041 D P x 3 0 9959 9 What is the probability that x is less than or equal to 1 Round to 4 decimal places A P x 1 0 0300 B P x 1 0 0410 C P x 1 0 9590 D P x 1 0 2456 10 What is the probability that x is greater than 4 Round to 4 decimal places A P x 4 0 2333 B P x 4 0 5443 C P x 4 0 2765 D P x 4 0 7667 For questions 11 13 consider the following information There is an exponential probability distribution that has a mean equal to 8 minutes per customer 11 What is the probability that x is greater than 16 A P x 16 0032 B P x 16 0 8647 C P x 16 0 1353 D P x 16 0 1353 12 What is the probability that x is greater than 5 A P x 5 0 5353 B P x 5 0 5353 C P x 5 0 1353 D P x 5 0 1353 13 What

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