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Someone claims that Bergen County high school students on average score higher on the SAT than high school students from Morris County. You collect samples of 100 students from each of the two counties and obtain the following results: The mean score for Bergen County students was 1015 with a sample standard deviation of 106, the mean score for Morris County students was 1022 with a sample standard deviation of 118.
Find the probability that in a given month a) there are exactly 9 days with 0.01 inch or more precipitation, b) there are at most 9 days with 0.01 inch or more precipitation.
In your organization's management development program, there was a heated discussion between people who claimed that theory is impractical and not effective
Parameter of interest is mean score in this population. Sample is an SRS of size n = 4 drawn from population. Determine the mean of 10 scores in the population.
in a given population of two-earner malefemale couples male earnings have a mean of 40000 per year and a standard
Computing the probability values using normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?
use this calculation table for the chi-square test for goodness-of-fit to complete this
The sales of Lexus automobiles in the Detroit area follow a Poisson distribution with a mean of 3 per day. What is the probability that for five consecutive days at least one Lexus is sold?
a student parks his car illegally on campus for a period of exactly one hour. parking enforcement personnel check the
Write a paragraph describing your interpretation when the slope is positive, zero, and negative. If you were buying a home in this particular city, which slope would be most attractive to you and why?
a local school district claims that the number of school days missed by its teachers due to illness is below the
i have filled a bag with differently colored ping-pong balls. there are twenty balls in the bag. twelve are red six
Test of product quality using human inspectors can lead to serious inspection error problems. To evaluate the performance of inspectors in a new company, a quality manager had a sample of 12 novice inspectors evaluate 200 finished products.
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