Q Math 54 Collected Work Section 5.1 Collected Work Name: Total points: 10 1. (2) Determine whether the probabilities below are computed using classical methods, empirical methods, or subjective method. a. The probability of having eight girls in an eight-child family is 0.00390625. b. One the basis of a survey of 1000 families with eight children, the probability of a family having eight girls is 0.005. 2. (2) Which among the following numbers could be the probability of an event? 0.23, 0, 3 , 2 3, -1.32, 1 4 3. (6) On October 5, 2001, Barry Bonds broke Mark McGwire’s homerun record for a single season by hitting his 71st and 72nd homeruns. Bonds went on to hit one more homerun before the season ended, for a total of 73. Of the 73 homeruns, 24 went to right field, 26 went to right center field, 11 went to center field, 10 went to left center field, and 2 went to left field. Source: Baseball-almanac.com (a) What is the probability that a randomly selected homerun was hit to right field? (b) What is the probability that a randomly selected homerun was hit to left field? (c) Was it unusual for Barry Bonds to hit a homerun to left field? Explain. 1

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