Find the expected value for the random variable.A business bureau gets complaints as shown in the following table. Find the expected number of complaints per day.
A. 2.73
B. 2.85
C. 2.98
D. 3.01
Answer: A
Mathematics
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Find the prime factorization of the composite number.252
A. 34 × 7 B. 23 × 32 × 7 C. 24 × 7 D. 22 × 32 × 7
Mathematics
Write an equation of the line with the indicated slope and y intercept.Slope = ; y intercept = -
A. y = x -
B. y = x -
C. y = - x +
D. y = x +
Mathematics
Find the slope of the line through the given points. If the slope is undefined, so state.(-1, 9) and (-2, 9)
A. - 6 B. 0 C. - 18 D. undefined
Mathematics
Provide an appropriate response.Fill in the blank to complete the statement. In order for a matrix to have a determinant, it must be a(n) matrix.
A. rectangular B. minor C. square D. augmented
Mathematics