Mathematics, 27.11.2019 05:31 ewalchloe5067920
The publisher of a regional telephone book surveyed a simple random sample of 10 of its commercial yellow-page ad customers to determine whether the size of their ads in square inches were correlated with the proportion of calls to the business that were generated by the ads.
a. calculate the correlation coefficient
b. calculate the coefficient of determination
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The trigonometric ratios sine and secant are reciprocals of each other
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Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
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Mathematics, 21.06.2019 23:00
The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree
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Mathematics, 21.06.2019 23:00
Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4
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The publisher of a regional telephone book surveyed a simple random sample of 10 of its commercial y...
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