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Average cost of $3,200 for products. n=25. After review it seems mean cost is $2,000 with a standard deviation of $150. Test that average cost is $3,200 or more versus $2,000. assume level of significance of .05.
What is the null hypothesis and the alternative hypothesis? What is the critical value and the p-value? What is the test statistic? Construct 95% confidence interval for the mean cost.
What is the probability that a particular driver has two speeding violations.
Assume rf is 5% and rm is 10%. According to the SML and CAPM, an asset with a beta of -2.0 has a required return of negative 5%[=5-2(10-5)]. Can this be possoble?
A company will promote two employees out of a group of six men and three women, what would you say the chances of this experiment if there is particular concern about gender equity and which concept of probability would you use to estimate these p..
If you randomly select ten m&m's, what is the probability that exactly three of them are green?
A chemical process converts lead to gold. However, the production varies due to the powers of the alchemist. It is known that the process is normally distributed, with a standard deviation of 2.5 g. How many samples must be taken to be 90% certain..
At the .05 significance level, is the number of units produced on the afternoon shift larger?
What is the probability that: The amount requested is $80,000 or more?
Given that a Brand A battery just failed, what is the expected value of the time we wait until the next Brand B failure?"
A 6-sided die is rolled and depending on the result a ball is then chosen from one of three boxes. If the roll results in a 1 a ball is drawn from box A
Determine whether the evidence is enough to reject the salesperson's claim. Establish the Null and alternative hypothesis, and choose the right test statistics.
When there are multiple observations per subject, what issues are there with doing a MNL and an ordered logit model, answer in detail and provide example.
Use Excel and determine the number of each type of person that will be needed to complete the job within the allotted time and at minimum cost.
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