6.7 and 6.13 Homework

6.7 and 6.13 Homework - P(z>.77 =.2794(from table on 616...

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Problem 6.7 Mean Std. Deviation Sample Mean Variance a. 10 2 25 10 2sqrd/25 b. 500 0.5 100 500 .5sqrd/100 c. 3 0.1 4 3 .1sqrd/4 d. 100 1 1600 100 1sqrd/1600 Variance = Std. Deviation (Squared) / Divided By Sam Std Deviation=Std. Deviation / Divided By Square Root Of S Problem 6.13 Paid Time Unpaid Time Mean Std. Deviation Sample Mean Std. Deviation 1.4 1.3 176 1 1.8 a. Mean Std. Deviation Sample Mean Variance 1.4 1.3 100 1.4 1.3/sqrt100 P (x>1.5) P (z>(1.5-1.4/.13)

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Unformatted text preview: P(z> .77) = .2794 (from table on 616) b. Mean Std. Deviation Sample Mean Variance 1 1.8 100 1 1.8/sqrt100 P(x>1.5) P(z>(1.5-1.0/.18) P(z>2.78) = .4973 (from table on 616) Std. Deviation 0.16 2/sqrt25 0.4 .5/sqrt100 0.05 .1/sqrt4 0.05 1/sqrt1600 0.03 ple Size Sample Size Sample 100 0.13 .5-.2794 0.22 22% Chance Sample 0.18 .5-.4973 .27% Chance...
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6.7 and 6.13 Homework - P(z>.77 =.2794(from table on 616...

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