In a horse racing, a trifecta is a bet that the first three finishers in a race

Question

In a horse racing, a trifecta is a bet that the first three finishers in a race are selected in the correct order. In a race with 12 horses, how many different trifecta bets are possible? 479,001, 600 6 220 1320 None of these. A card is drawn from a standard deck of 52 cards, What is the probability of getting a red king 1/26 1/52 1/13 3/52 None of these. Winning a Ball lottery jackpot requires that you select the correct five numbers (in any order) between 1 and 50 inclusive and, in a separate drawing, you must also select correct single number between 1 and 40 inclusive. Find the probability of must the winning the jackpot. 1/2, 118, 800 1/2, 118, 760 1/84, 750, 400 1/46, 107, 962 None of these. If P(A) = 0.13, P(B) = 0.28, and the events A and B are disjoint then P(A or B) is: 0.41 0.3736 0.0364 0.59 None of these. Events that cannot occur simultaneously are called: random independent disjoint (mutually exclusive) binomial A family has 5 children. How many different gender sequences are possible? 5 10 32 25 None of these.

Explanation / Answer

Solution:-

35) P(A or B) = 0.41

P(A) = 0.13, P(B) = 0.28

P(A or B) = P(A) + P(B)

P(A or B) = 0.13 + 0.28

P(A or B) = 0.41

36) Disjoint(Mutually exclusive)

37) The different gender sequences are 32.

The number of ways of getting a child = 2

Total combination = 25 = 32

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