Mathematics, 20.03.2020 07:01 jakobrobinette
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 143 millimeters, and a variance of 64. If a random sample of 48 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.2 millimeters? Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 22:00
Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?
Answers: 1
Mathematics, 22.06.2019 02:20
Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test
Answers: 2
Mathematics, 22.06.2019 04:00
20 points - ! gia decides to buy square tiles to cover her kitchen floor. the tiles are 18” square tiles and cost $3.85 each. how much will it cost to tile her kitchen if the measurements are 11’ x 12’?
Answers: 1
Mathematics, 22.06.2019 04:00
Radials are weird[tex](14 \sqrt{6}) ^{2} [/tex]whats the answer and how do i solve pls
Answers: 1
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean...
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