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The average pay per hour for an employee in the packaging and shipping department of XYZ Corporation is $12.88 with a standard deviation of $0.95. Assume normal distribution applies
Compute the pay per hour which the top 5% of the employees make that much or more.
$13.23
$14.44
$9.86
$15.17
What is the probability that an employee's pay is $12.88 per hour?
0
0.50
Greater than 0.5
Higher than 0, but less than 0.5
Demand for a product is normally distributed with mean demand equal to 200 units. There is a 0.95 probability that demand for this produce is between 180 to 220 units. Estimate the probability that demand for this product will exceed 195 units?
0.228
0.438
0.688
0.189
The validity of results from independent t or one-way ANOVA rests on which assumption?
The following table contains the number of consumer complaints received in a Publix market in Hollywood, Florida.
for this assignment use regression to complete the assignment belowuse information from the modular background readings
Interpret the null hypothesis using your t-statistic. Interpret the null hypothesis using p-value. Interpret your confidence interval and test the null hypothesis using confidence interval.
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If α 0.05, determine whether differences among the treatment, block, and interactive effects are significant.
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A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.90, a random sample of 100 doctors ..
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Would you recommend using a z-test, a t-test, or an ANOVA for the analysis? Explain your answer. What would your choice of test depend on? For the test you select, explain your design and your comparison groups.
Daily Airlines fies from Amsterdam to London every day. The price of a ticket for this extremely popular flight route is $75. The aircraft has a passenger capacity of 150.
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