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Pharmaceutical companies perform tests to make sure the products they produce are safe. One test is to make sure that the drugs has 100% potency, so the mean is 100%. Let's say for a particular tablet product that the production process has a population
Calculate the slack time for each activity and for each path and looking at only the critical path, find the probability that the store will take more than 23 working days to open.
What is the standard error of his prediction?
The fact that customers tend to return purchased goods for any reason is a major frustration for the consumer electronics industry. (C. Lawton, The Wall Street Journal, May 8, 2008) Recently, it was reported that 68% of all returns were for "no troub..
Foreign trade is important to the United States. No country exports and imports more. However, there has been a large trade imbalance in many sectors. To measure the extent of the prob- lem, an economist recorded the difference between exports and im..
jane wants to setup a photo shop. the cost to rent an office is 150 per week. the variable cost of making one photo is
What is the lottery's expected profit per ticket?
A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., heigh..
You take a random sample of size 100 from a normal population with unknown mean but known standard deviation 40. You plan to test H(null): mu=85 versus H(alternative): mu > 85. Your procedure will be to observe the sample then reject H(null) is xbar>..
1. ifnbspphi-z0 nbspalpha2 z0 ? assume alpha lt0.1.2. a company produces cooling tubes. the pressure of the tube is an
q1.in the work represented in the image below describe how each of the following manifest if at alla.nbsp awkward
If the results on a nationally administered introductory statistics exam is normally distributed with a mean of 100 points and a standard deviation of eight points determine the following: a. describe the graph of the distribution b. find at the Z sc..
Perform a hypothesis test to address the questions
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