Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having no more than 3 boys?
A. 0.9688
B. 0.3125
C. 0.8125
D. 0.5000
Answer: C
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Find the foci of the hyperbola.4y2 - x2 = 4
A. (0, 
), (0, -
)
B. (2, 0), (-2, 0)
C. (
, 0), (-
, 0)
D. (0, 2), (0, -2)
Solve the problem.The combined SAT scores of the freshman class at a particular university are normally distributed with a mean of 1000 and a standard deviation of 100. What percentage of the freshmen class had combined SAT scores above 1110?
Fill in the blank(s) with the appropriate word(s).
Determine the x- and y-intercepts on the graph of the equation.y = 6.4x + 44.8
A. x-intercept is -44.8; y-intercept is -7 B. x-intercept is 7; y-intercept is -44.8 C. x-intercept is -6.4; y-intercept is 6.4 D. x-intercept is -7; y-intercept is 44.8
Solve the problem.The owner of Nuts2U Snack Shack mixes cashews worth $6.00 a pound with peanuts worth $2.30 a pound to get a half-pound mixed nut bag worth $1.80. How much of each kind of nut is included in the mixed bag?
A. 0.18 lb of cashews and 0.32 lb of peanuts B. 0.10 lb of cashews and 0.90 lb of peanuts C. 0.32 lb of cashews and 0.18 lb of peanuts D. 0.07 lb of cashews and 0.93 lb of peanuts