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The CEO of a mail order business is reviewing the order filling operations at their two warehouses. The goal is to have 100% of orders shipped within 24 hours. In previous years, neither warehouse has achieved the goal, but the East Coast Warehouse has consistently out-performed the West Coast Warehouse.
To compare the current performance of the warehouses, they decide to conduct a hypothesis test at the 5% significance level. They randomly select 350 orders from the West Coast Warehouse (population 1) and 400 orders from the East Coast Warehouse (population 2). They found that 310 of the West Coast Orders were shipped within 24 hours, and the East Coast Warehouse shipped 365 orders within 24 hours. What is the p-value for testing the hypothesis whether there is a difference in the proportion of shipments at the two warehouses?
Develop cogent observations about communication practices for Central African Republic and demonstrate what you have learned about organizational communication
Individual loss amounts (ground up) this year follow an inverse Weibull distribution with τ= 3 and expected value 1000. Next year you con?fidently expect loss amounts to in?ate by 10% uniformly across the board.
Watch Stephen Hawkins "Origin of the Universe" lecture. Explain one of the concepts Hawking presents, and one question and/or comment
an instructor believes that 20 or less of the students who finish a statistics course get an a grade. a sample of 90
Thirty randomly selected fatal accidents are examined, and it is determined that 14 were caused by driver error. Using a = 0.05, is the AAA proportion accurate?
Show that the variance of the weight is finite when the likelihood is bounded.- Compare the previous choice with choosing (θ|x) as the instrumental distribution when the likelihood is proportional to a density.
Tom Smith wants to test the hypothesis that adult men have a mean weight that is greater than 150 pounds. Tom surveys the adult male members of his family and obtains 40 sample values
What is the expected number of days on which all 50 loaves will be sold? Find the probability of selling all 50 loaves on at least 20 days
There are 100 shoelaces in a box. At each stage, you pick two random ends and tie them together. Either this results in a longer shoelace.
He surveys a sample of 40 students and finds that for the most recent semester their average cost was $430 with a standard deviation of $80. What is the test value for this hypothesis test?
Two factories manufacture computer memory chips. Suppose that 20% of the chips from Factory I are defective and that 5% of the chips from Factory II.
The selling price and size of a home for a suburb of Los Angeles in the year 1997 are shown in Table 6.6. At the time, even a small empty lot would cost.
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