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A lottery (this one) is is won by selecting the correct five numbers from 1,2,..27. The probability of winning that game is 1/80,730.
What is the probability of winning if the rules are changed so that in addition to selecting the correct five numbers, you must now select them in the same order they are drawn?
P (winning) = _____ (integer or simplified fraction)
Convert each of the following z intervals to raw score x intervals:
The records show that 8% of the items produced by a machine do not meet the specifications. Use the normal approximation to the binomial distribution to answer the following questions.
Problem based on combinatory - how many different license plates are possible?
a) What type of research uses numeric measurement data? b) What type of research uses a research hypothesis? c) What type of research does not use statistical data analysis?
If Weight 1 is the weight (in pounds) of a random sample of five men who were accepted as models, and Weight 2 is the weight (in pounds) of a random sample of five men who were rejected as models, which of the following is the appropriate inferenc..
Select either the Least Squares Method, the Moving Average Method, or the Weighted Moving Average and provide step-by-step instructions you would employ to plot the associated trend line.
Using the original data, estimate the population standard deviation with 90% probability.
Is this a proper probability density function? How do you know? Find the mean, variance, and standard deviation of x, showing your work.
A certain airplane has 2 independent alternators to provide electrical power. The probability that a given alternator will fail on a 1 hour flight is 0.02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the othe..
A machine fills containers with a mean weight per container of 16oz. If no more than 5% of the containers are to weigh less than 15.8oz, what must the standard deviation of weights equal?
Find a 90% confidence interval for the mean decibel level µ for this type of transit vehicle.
In the history class the mean score was 76 with standard deviation 3.
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