Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having at least three boys?
A. 0.1563
B. 0.5000
C. 0.3125
D. 0.4688
Answer: B
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(4 - j6) - (7 + j2) =
a. -3 - j4 b. -3 - j8 c. 11 - j4 d. 11 + j8 e. 4 - j6
Answer the question.If we apply the quadratic formula and find that the value of b2 - 4ac equals zero, what can we conclude about the solutions?
A. The equation has no real number solutions. B. The equation has two different rational solutions. C. The equation has exactly one rational solution. D. The equation has exactly one irrational solution.
Evaluate the expression.
- 
A. - 
B. - 
C. 
D. 0
Solve the linear programming problem.Mrs. White wants to crochet beach hats and baby afghans for a church fund-raising bazaar. She needs 8 hours to make a hat and 2 hours to make an afghan and she has 56 hours available. She wants to make no more than 13 items and no more than 11 afghans. The bazaar will sell the hats for $14 each and the afghans for $7 each. How many of each should she make to maximize the income for the bazaar? What is the maximum income?
A. 5 hats, 8 afghans, $126 B. 11 hats, 2 afghans, $168 C. 8 hats, 5 afghans, $147 D. 7 hats, 6 afghans, $140