Doc1 - 2. Ashley tosses a fair coin eight times. What is...

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Unformatted text preview: 2. Ashley tosses a fair coin eight times. What is the probability she gets {a} six heads; (b) at least six heads; {ch two heads; and (d) at most two heads? 4. Russell draws one card from a standard deck. If A. H, C denote the events A: The card is a spade. B: The card is red. C t The card is a picture card (that is, a j ack, queen. or king). Find FHA U B U C}. 12. Let 9° be the sample space for an experiment ‘33 and let A. B g 5". If FHA] = PrlfB), Firm n B) = lffi, and Fir-[A U B} = lf5.determine Prifl U B). FHA). FHA — B). Pr[A d. B). 14. The nine members of a coed intramural volleyball team are to be randomly selected from nine college men and ten college women. To be classified as coed the team must include at least one player of each gender. What is the probability the selected team includes more women than men? 6. Ceilia tosses a fair eoin five times. 1|What is the probabil— ity she gets three heads, if the first toss results in (a) a head; (h) a tail? 8. A coin is loaded so that Pr[H) = 2,8 and Fir-(T) = U3. Todd tosses this eoio twiee. Let A, B be the events A: The first toss is a tail. B: Both tosses are the same. Are A, 3 independent? 14. Let 3’ he the sample spaee for an experiment ‘E and let A, B, C LISP. If events A, B are independent, events A, C are disjoint, and events B, C are independent, find Prljfi‘) if Pr[A} = 0.2, Pr(C) = (14, and PrfA U B U C} = {18. 24. The binary string 101101. where the string is unehanged upon reversing order, is called a palindrome (of length 6). Sup— pose a binary string of length 6 is randomlyr generated, with [1, l enqmalllvr liker for each of the six positions in the string. What is the prohahilitg.r the string is a palindrome it" the first and sixth hits [a] are both 1; (h) are the same? ...
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This note was uploaded on 10/01/2011 for the course MACM 101 taught by Professor Pearce during the Spring '08 term at Simon Fraser.

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Doc1 - 2. Ashley tosses a fair coin eight times. What is...

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