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Question: 1. Heights of young men. The distribution of heights of young men is approximately Normal with mean 70 inches and standard deviation 2.5 inches. Between which heights do the middle 95% of men fall?
2. Heights of young men. The distribution of heights of young men is approximately Normal with mean 70 inches and standard deviation 2.5 inches. What is the standard score of a height of 72 inches (6 feet)?
The company statistician has reported the mean number of man-hours lost per month but did not keep a record of the total sum. Should the manager order the study repeated to obtain the desired information? Explain your answer clearly.
Suggest appropriate ways of segmenting the markets for the following products or services: (a) rail travel; (b) banks; (c) ballpoint pens; (d) package holidays.
What are the chances of getting 15 days of rain during the next 30 days? What do you think about Joe's assumptions concerning the weather for the next 30 days?
What is the probability of selecting an area code at random that ends with an odd number if the first digit can't be 1 or zero?
a. Construct a scattergram for these data. b. What does the scattergram suggest about the relationship between x and y?
Suppose X is a random variable with moment generating function,(a) Is X continuous or discrete? Justify our assertion.
let x be a random variable that represents white blood cell count per cubic milliliter of whole blood. assume that x
Rich selected one sample of nine numbers from this population. The sample included the numbers 20, 25, 13, 9, 15, 11, 7, 17, and 30.
please compute the range sample variance and sample standard deviation phone bill using these numberssix randomly
Jones Nissan in Sumter, South Carolina, sold 15 Nissans yesterday. What is the probability that exactly 0 vehicles require warranty service?
Develop a simulation model to compare the net present value of buying or leasing the car for 24 months. To compare the two options a number of assumptions must be made. Assume that:
most video games have several difficulty settings from easy to hard many of these have very colorful names. a video
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