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Larry R. has 5 producers in the southeast region. The reported scores on a compliance assessment instrument are 46, 47, 41, 42, and 49. Find:
The population mean
Compare your answers in a and b and comment on the relationship of the population distribution and the distribution of sample means.
the mean of all samples of size 3 which can be drawn from the population
a researcher is interested in the effect of st. johns wort on memory. a group of 25 college students is selected to
Compute the optimal production quantities for the company?
Find a positive integer smaller than 500 that has a remainder of 3 when divided by 5, a remainder of 6 when divided by 9, and a remainder of 8 when divided by 11.
the following statistics were found using the 23 gas prices submitted for the project.n 23macrx 3.25s 0.11in this
The weight for a group of 18 month-0ld girls are normally distributed with a mean of 24.4 pounds and a standard deviation of 2.6 pounds. Use the table to find the percentage of 18 month-old girls who weigh more than 27.8 pounds.
choose independently two number B and C at random from the interval [-1,1] with uniform distribution, and consider the quadratic equation x^2+Bx+C=0. Find the probability that the roots.
In order that the sample proportion and the population proportion not differ by more than 0.05 with 95% level of confidence, what sample size should be used?
The annual returns, in percentages, on stocks A and B for three possible states of the economy are given in the table below.
An aptitude test has a mean of 220 and standard deviation of 10. find the corresponding z score for:
your favorite team is in the final playoffs. you have assigned a probability of 60 that they will win the
the probabilities of blood types o a b and ab in western populations are 0.46 0.39 0.12 and 0.03 respectively. suppose
The majority of the data is basically distributed if there are enough subjects. For instance, if you collected test scores of only a few honor students, the data will most likely not be normally distributed because you would have a sample that did..
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