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Explain clearly and in DETAIL why a person that simultaneously flips 10^23 pennies in the air will nevertheless invariably get 50 heads and 50 tails and will practically have to flip the pennies for an eternity to ever see a sequence of all heads or all tails?
The mean number of hours of flying time for pilots at Continental Airlines is 49 hours per month (The Wall Street Journal, February 25, 2003).
An analyst wishes to include number of older siblings in family as a predictor variable in a regression analysis of factors affecting maturation in eighth graders. The number of older siblings in the sample observations ranges from 0 to 4.
Find t (subscript alpha/2) for a confidence interval with 90% confidence and compute and interpret the margin of error "E" for a confidence interval with 90% confidence.
What is the probability that none of the questions in the second set are the same as any of those in the first set? What must the computer do for there to be no questions in common?
a soft-drink machine is regulated so that it discharges an average of 200 milliliters per cup. if the amount of drink
The weighs of newborn elephants are normally distributed.
1000 rolls of a fair die are made. find the approximate probability that 6 appears between 150 and 200 times. if 6
Site preparation for new housing developments for tracts of 40 houses is normally distributed with a mean of 250 workdays and a standard deviation of 25 workdays.
A locksmith is preparing an electronic key code of 3 integers selected from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} without replacement. Calculate the probability that at least one of integer in the code is 5.
X is said to be Position distributed with parameter lambda >0 if it has the following pmf: PX(x)= (lambda ^x)*e^(-lambda)/ x! where x = 0, 1, 2... and 0 otherwise.
If a single test is run and indicates that oil is present, what is the revised probability that oil is actually present?
Perform the following activities using a program such as MS Excel. Keep all calculations within one file. You may use separate worksheets within the same file, though.
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