State the null and alternative hypothesis
State the null and alternative hypothesis if the average number of calories of brand A's low calorie meal is at most 300.
a)state the hypothesisb)find the critical valuec)compute the test valued)make a decisione)summarize the results
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he average hourly wage last year for members of the hospital clerical staff in a large city was $6.32. The standard deviation of the population was $.54. This year a sample of 50 workers had an average hourly wage of $6.51. Test the claim at alpha
The sample sizes for each are 23. He is adamant that you perform a z-test. What would you tell him? What specific explanation would you give?
State the null and alternative hypothesis if the average weight loss of people who use brand A's low calorie meal for 6 weeks is at least 3.6 pounds
Harold owns a cranberry bog in which he grows cranberries. Harold’s farm is a competitive, profit-maximizing firm. As such, Harold much decide. (i): how many cranberries to sell.&n
A population has a mean = 80, with standard deviation = 8. The distribution of sample means for samples of size n = 4 selected from this population would have an expected value of?
The average hourly wage last year for members of the hospital clerical staff in a large city was $6.32. The standard deviation of the population was $.54. This year a sample of 50 workers had an average hourly wage of $6.51. Test the claim at alph
A state executive claims that the average number of acres in western Pennsylvania State Park is less than 2000 acres. A random sample of five parks is selected, and the number of acres is shown. At alpha=.01, is there enough evidence to support th
Suppose that some firms in a competitive industry are earning zero economic profits, while others are experiencing losses. All else equal, in the long run, we would expect the number of firms in the i
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