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Manufacturing Cost The weekly production cost C (in dollars) of manufacturing x hand calculators is given by the formula C = 6000 + 8x - x 2 / 1000. What is the cost of producing 1000 hand calculators?
Before you run your scatter diagram answer the following: What do you think you will find? Bigger fields have more seats? Smaller fields have more seats? No relationship exists between field size and number of seats? A strong relationship exists betw..
Instead of testing for some effect (for better or worse), suppose we want to test the claim that astemizole is effective in preventing motion sickness? What is the P- value, and what do you conclude?
perform a sensitivity analysis on the following datapossible rampd costs for a phone company are best 20000 with a
A random sample of 77 eighth grade students' scores on a nation mathematics assessment test has a mean score of 278 with a standard deviation of 31.
What is the probability that a randomly selected respondent has a goal of getting rich?
Use this information to develop a 95% confidence interval to estimate the production variance for the hourly wages of production workers in U.S. What is the value of upper limit of this confidence interval?
Discussion 1: Many people do not "like" or "trust" single point estimates for things they need measured. How might adding confidence intervals help managers accept the results better? Why?
Test the hypothesis that the annual income of corporate trainers in areas of more then 500,000 are significantly more than those in areas of less than 100,000. Use the 5% level of risk.
in a poll conducted by the nanos research on may 1 2011 38.7 of n 702 decided voters supported the conservative.a find
Suppose that this estimate was based on a random sample of 600 households (i.e., n = 600 and p = .64). Construct a 95% confidence interval for π, the true proportion of all households that use coupons.
suppose the lifetime of a particular appliance follows an exponential distribution with a mean of 10 years. what is the
Find the random variable X. Consider we are testing "paired samples" - What is the test statistic (t-value) ? Assume, the population mean of the differences
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