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The Rate of Return for firms on the stock market is about 8% on average(the mean) with a standard deviation of 4%.
(A) What proportion of firms will earn a return between 5% and 10%?
1. automobiles arrive at the drive-thru window at the downtown fort mcmurray post office at the rate of 4 every 10
The study was designed to protect the anonymity of the student athletes who responded. As a result, it was not possible to calculate the number of students.
according to the national institute on alcohol abuse and alcoholism niaaa and the national institutes of health nih 41
For the same patient, calculate the probability that the patient will exercise both days.
b. Assuming that the Si are independent normal random variables, state the likelihood function and obtain the maximum likelihood estimators of ß1 and ß2. Are these the same as the least squares estimators?
out of a total of 120 musicians in a club 5 can play all the three instruments- guitar violin and flute. it so happens
Joe Coledge is the third-string quarterback for the University of Lower Alatoona. The probability that Joe gets into any game is 0.40.
A research group consists of 4 professors and 26 students. A committee is to be formed consisting of 2 professors and 4 students.
The birth of the university is another example of the creativity and vitality of the High Middle Ages."
A random variable has a standard deviation of 16, and an unknown mean. Find the lowest size of a simple random sample so that the sample mean estimates the population mean with a standard error no larger than 0.25.
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
Explain how the expected frequencies for cells of a contingency table are calculated in a test of independence or homogeneity.
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