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Software. A small software company bids on two contracts. It anticipates a profit of $50,000 if it gets the larger contract and a profit of $20,000 on the smaller contract. The company estimates there's a 30% chance it will get the larger contract and a 60% chance it will get the smaller contract. Assuming the contracts will be awarded independently, what's the expected profit?
suppose you have two sets of normal data symmetric bell-shaped distributions both with a mean of 15. the variance for
Tthe amount is approximately normally distributed with a mean of 16 and a standard deviation of 1.5. What percent of the cups will have 15 oz or fewer?
Describe the situation and the variables and determine whether the variables are normally distributed or not. How could you change these to a normally distributed dataset?
When the t distribution is used in constructing a confidence interval based on a sample size of less than 30, what assumption must be made about the shape of the underlying population?
Search for a recent opinion poll dealing with some aspect of security (domestic or international). Make sure to trace the survey back to the original organization. Post in a discussion thread (i.e., on the Week Six discussion board) five questions..
Given this information, find the posterior odds that he has the disease, in terms of the prior odds, the sensitivity of the test.
The Florida Department of Corrections publishes an online death row fact sheet. It reports the average time on death row prior to execution as 11.72 years.
This includes knowing how to use an ANOVA for managerial decisions. Present a business example where you would use an ANOVA. State the hypothesis verbally and numerically.
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
Barker and colleagues (2012) compared 61 parents fo children who had a serious mental illness (SMI) to 321 parents of children withour such an illness. The researchers examined the parents’ reported levels of stress, their levels of a hormone called ..
Paper airplanes. In preparation for a regional paper airplane competition, a student tried out her latest design. Construct a 95% confidence interval
Use a 0.05 signi cance level to test the claim that when the 13th day of a month falls on Friday, the numbers of hospital admissions from motor vehicle crashes are not a ected.
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