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Assuming a normal population distribution with a mean of 125 and a standard deviation of 25, what is the probability of obtaining the following means for groups of subjects chosen by random sampling?
a. Sample mean = 130 or higher, N = 25
b. Sample mean = 130 or higher, N = 81
c. Sample mean = 130 or lower, N = 81
d. Sample mean = 120 or higher, N = 36
e. Sample mean = 120 or lower, N = 49
Determine the sample space of one such throw and determine the probability for each event and in the game of Ludo, a player has to throw one die and move a selected token based on the number shown on the die.
one box contains six red balls and four green balls and a second box contains seven red balls and three green balls. a
The statistical technique used in the regression analysis. The sum of squares is a mathematical approach to determining the dispersion of the data points.
Chebyshev's Theorem states that the percentage of observations in a data set that should fall within five standard deviations of their mean is
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alice pays bob a number of dollars equal to the sum of the values of any dice matching bobs guess. so for example
a bicycle factory runs two assembly lines a and b. 97 of line as products pass inspection and 89 of line bs products
What is the appropriate procedure to test for a significant difference in means between the two groups? Implement the procedure in problem using the critical value method
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