If there are 4 roads from Portland to Bend, in how many ways can you do a round

Question

If there are 4 roads from Portland to Bend, in how many ways can you do a round trip 4, 8, 12, 16, e) none of these If you are dealt 5 cards from In ordinary deck, p(getting 4 aces)-=C(13,4)/C(52,5). true, false If you are dealt 5 cards from In ordinary deck, p(getting 4 aces)-=C(39,4)/C(52,5). true, false If you are dealt 5 cards from In ordinary deck, p(getting 4 aces)-=C(4,4)*C(48,1)/C(52,2). true, false. Toss a coin n = 4 times. P(getting exactly 2 heads) = 2/16, 4/16, 6/16, 8/16, none of these Toss a coin n = 4 times. P(getting exactly 3 heads) = 2/16, 4/16, 6/16, 8/16, none of these Toss a coin n = 4 times. P(getting exactly 1 heads) = 2/16, 4/16, 6/16, 8/16, none of these Let D_1 and D_2 be the number obtained by tossing 2 dice. Then p(D_2 + D_2 = 7) = 2/36, 4/36, 6/36, 6/36, 8/36 none of these

Explanation / Answer

7.a

8.false

9.false

10..true.

11. c

12.b

13.b

14.c

15.a

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