Solve the problem.Find the expected number of girls in a family of 7.
A. 4
B. 3.25
C. 3
D. 3.5
Answer: D
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Find the limit.
(26 - 3x)
A. -1 B. 1 C. -53 D. 53
A box contains $7.15 in nickels, dimes, and quarters. There are 44 coins in all, and the sum of the numbers of nickels and dimes is two less than the number of quarters. How many coins of each kind are there?
A. 17 nickels, 6 dimes, and 21 quarters B. 16 nickels, 5 dimes, and 23 quarters C. 16 nickels, 10 dimes, and 27 quarters D. 14 nickels, 7 dimes, and 23 quarters E. 18 nickels, 9 dimes, and 17 quarters
Find the number of ways to get the following card combinations from a 52-card deck.Three of one kind and two of another kind (such as three aces and two nines)
A. 1872 ways B. 3744 ways C. 44,928 ways D. 24 ways
Use the graph shown to answer the question.
C, D, H, J, I, F, E, K, J, L, G, A, B, C is a Hamilton circuit.
A. False B. True