## Wednesday, April 17, 2013

### Probability

probability Problem 6.15 Test: one-tailed z test for jimmy of population destine Null Hypothesis: H0: population lowly = 16 Alternative Hypothesis: Ha : population nasty * 16 exemplar Error: 9.32 / sq.rt. (33) = 1.62 Test Statistic: (9 - 16) / 1.62 = -4.32 Critical comfort for z, alpha= 0.10 = 1.28 word sense Region from -1.28 to + infinity Reject the shadowy hypothesis Problem 6.21 Test: one-tailed z test for comfort of population soaked Null Hypothesis: H0: population think = 1502.5 Alternative Hypothesis: Ha : population mean * 1502.5 Standard Error: 97.3 / sq.rt. (225) = 6. 49 Test Statistic: (1511.4 - 1502.5) / 6.49 = 1.37 Critical Value for z, alpha= 0.05 = 1.645 Acceptance Region from negative infinity to + 1.645 Do NOT stand firm null hypothesis. Problem 6.49 Test: one-tailed t test (n * 30) for pry of population mean Null Hypothesis: H0: population mean = 15 Alternative Hypothesis: Ha : population mean * 15 Stan...If you want to get a full essay, prepare it on our website: Orderessay

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