Mathematics, 24.05.2021 23:00 carolelai08
A sample of 300 subscribers to a particular magazine is selected from a population frame of 9,000 subscribers. If, upon examining the data, it is determined that no subscriber had been selected in the sample more than once:.
A. the sample could not have been random
B. the sample may have been selected without replacement or with replacement
C. the sample had to have been selected without replacement
D. the sample had to have been selected with replacement
Answers: 1
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Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104
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Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2β1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(β2,1,β2).
Answers: 1
A sample of 300 subscribers to a particular magazine is selected from a population frame of 9,000 su...
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