# 7.5Topic 5: Probability39. A family wants to have two children. The children can either be male or female. What is thesample space for this experiment? (The order in which the couple has children does matter tothe parents.)40. Let the sample space S of a random experiment be the numbers 1 through 10. So, S ={1,2, 3, 4, 5, 6, 7,8, 9, 10}. Define events A, B, and C as follows.A:{1,2,3,5,6,7,8,9}B: { 2,4,5,7,9 }{1,2,3,4,5}C:(a) What outcomes are in the event AN B?(b) What outcomes are in the event BUC?(c) What outcomes are in the event C'?(d) Are the events An B and BnA the same? Why?(e) Are the events BUC and CUB the same? Why?41. A survey of 100 male students and 100 female students regarding their favorite Mexican foodrestaurant yielded the results given below.Gender Chipotle Moe's Salsaritas QʻdobaMale2035381713Female3040dadeng(a) What is the probability that a respondent is male?(b) What is the probability that a respondent likes Q'doba?(c) What is the probability that a respondent likes Salsaritas and is female?(d) What is the probability that a respondent likes Salsaritas or is female?42. Consider two disjoint (or mutually exclusive) events A and B. If P(A) = 0.7 and P(B) = 0.2,find P(AUB).%3D%3D43. Consider two disjoint (or mutually exclusive) events A and B with P(A) = 0.7 and P(B) = 0.4.Are these probabilities correctly assigned? (Hint: Calculate P(AUB).)%3D%3D44. Suppose P(A) = 0.60 and P(B) = 0.7. Can events A, B be disjoint?%3D%3D45. It is estimated that 63% of Americans will watch the Masters golf tournament and only 48% willwatch the British Open. If it is estimated that 37% of Americans will watch both tournaments,what is the probability that they will watch at least one of the golf tournaments?46. Consider drawing two cards from a regular deck of cards (52 cards total, 4 suits, 13 cards in eachsuit). What is the probability that you draw two Aces if the cards are drawn(a) With replacement?(b) Without replacement?

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Asked Feb 15, 2020
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Number 41 part D and Number 45.

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