MATH10120 Midterm: Math10120F14 Fall2007 Exam2F07
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An experiment consists of rolling a pair of dice and observing the uppermost faces. 1 space for this experiment consists of 36 outcomes listed as pairs of numbers: S = {(1, 1), (1, 2), , (6, 6)} Let e be the event that both faces are even and f the event that both faces add to 6. Let e and f be events where pr(e ) = (a) 1: find pr(e f ). (d) The odds in favor of the horse crackerjack winning the melbourne cup horse race are 2:5. 3 is the probability crackerjack will win? (a) 2/10 (b) 2/5 (c) 2/25 (d) 2/7 (e) 1/7. A box, ready for shipment, contains 20 lightbulbs, 4 of which are defective. 4 sample of 3 lightbulbs from the box. If the inspector nds at least one defective lightbulb among those sampled, the box will not be shipped, otherwise the box will be shipped.
