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represent a summary of a random sample of size 50 from a Poisson distribution. Find the maxim um likelihood estimate of Pr ( X = 2).
In a recent year, 10% of all luxury cars sold were black. If 25cars of that year and type are randomly selected, find the following probabilities.(a) At least five cars are black.
enzyme immunoassay tests are used to screen blood specimens for the presence of antibodies to hiv the virus that causes
Determine if the null hypothesis should be rejected or retained based on the results
In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X1), and whether or not agent X2 (a proposed life extending agent) was added to the rats diet (X2 = 0 if agent X2 was not added, ..
A random sample of 7 students selected from a large class revealed the following scores: midterm 70, 62, 57, 68, 89, 63, 82 and on the final 80, 79, 87, 88, 85, 79, 91. Is there evidence of an improvement on the final?
it has been observed that some persons who suffer acute heartburn again suffer acute heartburn within one year of the
consider a set of test grades with a mean of 80 and a standard deviation of 3. use chebyshevs theorem to find the
Calculate the 95% confidence interval for the number of admissions at the hospitals based on your sample of 50 and explain what the confidence interval represents in the context of the problem.
The probability associated with any outcome must be between 0 and 1.
suppose that the proportion of colorblind people in a certain population is .008 . what is the probability that there
the average magnesium concentration in ground water around metro city is u65.6 parts per millionppm with a standard
Mutual funds are classified as large-cap funds, medium cap funds, or small-cap funds, depending ont eh capitalizaiton of the companies in the fund.
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