Mathematics, 19.07.2019 08:30, allycoops666666
Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup poll consisted of a random sample of 1,400 american adults. a. what is the mean of the sampling distribution? b. what is the standard deviation of the sampling distribution (don't forget to justify the use of the formula)? c. describe the normal approximation for this sampling distribution (don't forget to justify this) you can simply write as n (mean, standard deviation) d. what is the probability that the gallup poll will come up with a proportion within three percentage points of the true 44%
Answers: 1
Mathematics, 21.06.2019 15:00, froyg1234
Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?
Answers: 2
Mathematics, 21.06.2019 20:30, GreenHerbz206
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 1
Mathematics, 21.06.2019 23:00, jnsoccerboy7260
The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug
Answers: 2
Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup...
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