Mathematics, 24.03.2020 02:21 derrishamckenzie22
Suppose Frances is a researcher at Beaded Gemsz, a company that makes beaded jewelry. She wants to evaluate whether using better equipment during the current year has increased jewelry-making productivity. The company's reporting team estimated an average daily production yield of 105 units per store from previous years. Frances conducts a one-sample z-test with a significance level of 0.05, acquiring daily unit yield data from each of the stores' databases for 45 randomly selected days of the year. She obtains a p-value of 0.03. The power of the test to detect a production increase of 12 units or more is 0.80.What is the probability that Frances concludes that the new equipment increases the average daily jewelry production when in fact the new equipment has no effect? Provide your answer in decimal form, precise to two decimal places. HINT: Identify the null hypothesis. A type I error is when a true null hypothesis is rejected and a type II error is when a false null hypothesis is not rejected. Please show all work step-by-step and explain where applicable/necessary!
Answers: 2
Mathematics, 21.06.2019 16:30
The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06
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Mathematics, 21.06.2019 22:10
Use the spider tool located on page 1 of this activity to draw a 12-pointed star for the new logo. (hint: if the spider rotates 360 degrees -- or 720 degrees or 1080 degrees -- she will be facing in the same direction in which she started. when the spider is done drawing, you want her to be facing in the same direction in which she started. she'll be making 12 rotations, all the same size, so each rotation must be some multiple of 360/12 = 30 degrees.) urgently. been stuck on this problem for around 45 minutes now.! it should be easy if you're smart enough
Answers: 3
Suppose Frances is a researcher at Beaded Gemsz, a company that makes beaded jewelry. She wants to e...
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