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An optical ?rm buys glass slabs to be ground into lenses, and it is known that the variance of the refractive index of the glass slabs is to be no more than 1.04 × 10-3. The ?rm rejects a shipment of glass slabs if the sample variance of 16 pieces selected at random exceeds 1.15 × 10-3. Assuming that the sample values may be looked on as a random sample from a normal population, what is the probability that a shipment will be rejected even though σ2 = 1.04 × 10-3?
the average salary of produce workers at a local store for the selected periods are given
Find an article that includes a least one statistic and print the article and highlight the statistics- Describes the meaning of the statistics.
A marketing firm asked a random set of married and single men as to how much they were willing to spend for a vacation. At *alpha*= .05, is a difference in the two amounts?
Women's heights are normally distributed with mean 63.6 and standard deviation of 2.5 in. A social organization for tall people has a requirement that women must be at least 70 in tall.
in 2006 merck released a vaccine named gardasil for hpv - the most common cause of cervical cancer among young women.
a health researcher read that 200 lb man can burn 546 calorieshour playing tennis. 36 man sample withe a mean of 544.8
Use a two-sample t-test within Minitab to test the hypothesis that the mean length of leaves on the north side is the same as the mean length of leaves on the south side.What do you conclude? (Show the Minitab output).
Can researcher conclude that humidity has significant effect on eating behavior? Use a two-tail test with α = .05. Calculate estimated Cohen's d and r2 to measure size of treatment effect.
we all know that utilitarianism seeks the good for the majority of people. based on what you learned from chapter 2 we
Can you conclude that u1 is not equal to u2 at alpha=.05? State the hypothesis in orders of 1-2. construct a 99% confidence interval for the difference in true means. State the confidence interval in terms of 2-1.
Write a one-page (maximum 2500 characters-spaces included) Statement of Interest that describes your objectives and motivation in seeking a student internship with the U.S. Department of State.
Ssample by constructing a histogram and finding the sample mean and standard deviation, are we investigating the sampling distribution of the mean? why or why not?
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