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1. How many of each type of worker should AAD hire?
2. Compare the old schedule that includes overtime on weekends for the regular workers to the new schedule. How much is the company saving?
3. If the company could find only ten qualified part-time workers and six new hires, what would be the configuration and cost?
the weight of a candy bar is n50 1. we take a sample of 4 candy bars and compute the sample mean. the sample mean
suppose x is a normal random variable with expected value 7 and standard deviation 3. then calculate the following
if z is a standard normal random variable then what is przgt-2.43? use four decimal places of accuracy.can you also
Compute the 3.9% confidence interval on the mean. Which confidence interval is more practical and useful in a business situation? Why?
Is there sufficient evidence to conclude that a significant amount of improvement took place? Calculate the mean and standard deviation. Determine which test statistic applies, and calculate it.
1 in a two-tailed hypothesis test the test statistic is determined to be z -2.5. the p-value for this test why?a is
Using a significance test, evaluate whether or not there has been a change in the percent of Internet users who download music. Provide all details for the test. (Round your value for z to two decimal places. Round your P-value to four decimal pla..
This test result prompts a state administrator to declare that the mean score for the sate's eighth graders on the examination is more than 275. at a=.04, is there enough evidence to support the claim.
What is the correlation between student cumulative GPA and the numbers of hours spent on school work each week? Be sure to include the computations.
Would the conclusion remain the same if the two confidence intervals had instead been calculated at 90% confidence? Explain.
Find the weighted mean if each three-hour course counts for 18%, and each four-hour course counts for 23% of her final semester score.
The condition for the question is that the deck of cards has 52 cards and among them are 12 face cards. What is the probability of choosing 6 face cards out of 8 chosen. Thru Binomial distribution holds( meaning with replacement)
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