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The age distribution for the employees of a highly successful dot-com company is shown in the table below. An employee is to be randomly selected
The age distribution for the employees of a highly successful "dot-com" company is shown in the table below. An employee is to be randomly selected from this population. Complete parts a through d below. Age 20 21 22 23 24 25 26 Proportion 0.01 0.04 0.05 0.08 0.05 0.02 0.08 Age 27 28 29 30 31 32 33 Proportion 0.03 0.12 0.08 0.08 0.13 0.15 0.08 a. Can the relative frequency distribution in the table be interpreted as a probability distribution? Explain. O A. No because p(x) 5 0 for all values of x, and 2p(x) = 1. O B. Yes because p(x) 5 0 for all values of x, and 2p(x) = 1. O C. No because p(x) 2 0 for all values of x, and 2p(x) = 1 D. Yes because p(x) 2 0 for all values of x, and 2p(x) = 1. b. Graph the probability distribution. Choose the correct graph below. OA. O B. O C. Ap(x) Ap(x) 0.2- 0.2- 0.2 0.16 0.16- 0.16- 0.12 0.12 0.12 0.08 0.08 0.08 0.04 C 0.04 19 21 23 25 27 29 31 33 19 21 23 25 27 29 31 33 19 21 23 25 27 29 31 33& What is the probability that the randomly selected em- ployee is over 30 years of age? Over 40 years of age? Under 30 years of age? d. What is the probability that the randomly selected em- played will be 25 or 26 years old
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