Mathematics, 05.05.2020 13:08 mandy9386
The distribution of heights for adult men in a certain population is approximately normal with mean 70 inches and standard deviation 4 inches. Which of the following represents the middle 80 percent of the heights?
A) 50 inches to 73.37 inches
B) 62 inches to 78 inches
C) 64.87 inches to 75.13 inches
D) 66 inches to 74 inches
E) 66.63 inches to 90 inches
Answers: 2
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Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00
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Which of the following expressions cannot be simplified to x – 2?
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To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.
Answers: 3
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