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, b) 8, 12, 16, none of these If you are dealt 5 cards from an ordinary deck. P(getting 4 aces)=C(13,4)/C(52,5). true, false If you are dealt 5 cards from an ordinary deck, P(getting 4 aces) = C(39,4)/C(52,5). a) true, b) false If you are dealt 5 cards from an ordinary deck, P(getting 4 aces) = C(4,4) q48, l)/C(52,5). a) true, b) false Toss a coin n=4 times. Pfgetting exactly 2 heads) = a) 2/16, b) 4/16, c) 6/16, d) 8/16, e) none of these Toss a coin n = 4 times. P(getting exactly 3 heads) >> a) 2/16, b) 4/16, c) 6/16, d) 8/16, e) none of these Toss a coin n

Explanation / Answer

11.Toss a coin n=4 times P(getting exactly 2 heads)

   ANS : 6/16

13.Toss a coin n=4 times P(getting exactly 1 heads)

     ANS:   4/16

12.Toss a coin n=4 times P(getting exactly 3 heads)

     ANS:4/16

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