e Dallas a year, published in (in pounds) of the members of the San Francisco 49

Question

e Dallas a year, published in (in pounds) of the members of the San Francisco 49ers and the Dallas Cowboys were published in the San Jose Mercury News. The factual data are Cowboys compiled into the following table. Shirt S 210 211-250 251-290 290 1-33 21 34.66 18 67-99 For the following, suppose that you randomly select one player from the 49ers or Cowboys E Part (a Find the probability that his shirt number is from 67 to 99. (Enter your probability as a fraction. E Part (b) Find the probability that he weighs at most 210 pounds. Enter your probability as a fraction. E Part (c) Find the probability that his shirt number is from 67 to 99 AND he weighs at most 210 pounds. nter your probability as a fraction.) E Part (d) Find the probability that his shirt number is from 67 to 99 OR he weighs at most 210 pounds. (Enter your probability as a fraction.) E Part (e

Explanation / Answer

290 1-33 21 5 0 0 26 34-66 6 18 7 4 35 67-99 6 12 22 5 45 33 35 29 9 106 Joint probability 290 marginal prob of Shirt 1-33 0.198 0.047 0.000 0.000 0.245 34-66 0.057 0.170 0.066 0.038 0.330 67-99 0.057 0.113 0.208 0.047 0.425 marginal prob of weights 0.311 0.330 0.274 0.085 1.000 part(a) P(Shirt: 67-99)= 0.425 =45/106 part(b) P(weight

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