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A random sample of 200 college students taken by this researcher showed that these adults spend an average of 13.75 hours on the internet per week. Assume that the population standard deviation is know to be 3.0 hours. At a=0.05, can you construct an average time interval spent by the current college student is differ from 14 hours?
Using a simulation of 25 random numbers. Find average profits for order quantities of interest. Investigate in intervals of 500.
A real estate agent in the coastal area of Georgia wants to compare the variation in the selling price of homes on the oceanfront with those one to three blocks from the ocean.
Computing the probability value using normal distribution - find the normal distribution
How might one know if an error was made in accepting or rejecting the null hypothesis? Do you suppose the nature of the research has an influence on the selection of the significance level? Why or why not?
Find the probability that among 13 pea offspring; at least 1 pea has a green pod and find the probability that among 8 pea offspring between 2 and 5 have yellow pods.
The State of Ohio plays a daily (except Sunday) three digit lottery, where the player chooses any three numbers, 1 thru 10, three different times.
Suppose you are in a class of 120 students. What is the probability that at most 42 students will say that they frequently experience stress in their daily lives?
During a 36 year period, lightening killed 2768 people in the US. Assume that this rate holds true today and is constant throughout the year. Find the probability that tomorrow.
Which of the following is the correct interpretation for the regression coefficient of Age? The regression coefficient is not significantly different from zero.
She randomly samples 67 CFOs and finds that 40 of them get their money news from newspapers. Does the test show enough evidence to reject the findings of Robert Half International? Use a = .05.
Lakewood Fashions must decide how many lots of assorted ski wear to order for its three stores. Information on pricing, sales. What decision should be made by the conservative?
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
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