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Manufacturing and Product Development
Oriental rugs are made from various wools and woven in several different countries. The pile height (in millimeters) of an Oriental rug varies slightly and can be modeled by a uniform random variable on the interval [6, 10].
a. Carefully sketch a graph of the density function for pile height.
b. What is the probability that a randomly selected Oriental rug will have pile height less than 7 mm?
c. What is the probability that a randomly selected Oriental rug will have pile height between 8.5 and 9.5 mm?
d. Find a value h such that 90% of all Oriental rugs have pile height less than h.
The player must pay $4 if she draws a green marble. Find the expected value in the games.
a group of statistics students decided to conduct a survey at their university to find the average mean amount of time
The population mean height of a basketball player is 220 cm with a standard deviation of 20 cm. In a sample of 49 basketball players, what is the probability of getting a sample mean height of 215 cm or more?
what crimes were most commonly committed on minnesota campuses between 2009 and 2011?based on the data would you say
The mean is 75 and the standard deviation is 6. If 1200 students took the test, approx how many students would be expected to score between 69 and 81?
1) The program office budgets $30,000 per program review at the contractor's site. Your concern for "end of year" spending drills is that you have budgeted enough for the reviews (i.e. you are only concerned if the actual costs are higher than the..
consider the following summary statistics for the mothers age in years and babys birth weight in grams for a sample of
At the current time, the Sports Exports Company focuses on producing footballs and exporting them to a distributor in the United Kingdom. The exports are denominated in British pounds.
question a professor used data from last semesters statistics class to create a regression that predicts how students
Research shows that the life time of Everlast automobile tires is normally distributed with a mean value of 70,000 miles. What is the probability of having a tire that lasts more than 80,000 miles.
A population consists of the following four values: 8, 10, 12, and 16. From this population, there are 6 different samples of size 2. The means of the 6 samples of size 2 are: 9, 10, 12, 11, 13, and 14. Compute the mean of the distribution of the ..
Calculate The mean number of aggressive interactions per minute.- The median number of aggressive interactions per minute.
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