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the game of "craps" two dice are thrown and the outcome of a bet is based on the sum of the two dice. If you bet $1 that the sum is "seven" then you win $4 or lose your dollar. The probability that you win is 6/36=1/6, and P(loss) = 5/6. Find a rough range for a) 200 plays, (b) 20, 000 plays. You must show your work when you compute the SD of the box!
Find the test statistic value for two mean tests using equal variance formula.
Following data from an x bar chart, is the process capable (capability index>1.33)?
An instructor claims the average time to take a statistics test is greater than 39 min. As, if a sample of 33 students took 43 min. is the instructor's claim true?
What score was earned by more students than any other score? Why? What was the highest score earned on the exam?
Summarize the NSC concentrations graphically and numerically for each type of forest. How do dry forests compare to moist forests in terms of NSC concentrations?
Ball bearings are mannormally distributed with a meanufactured with a diameter of 5 mm. But the process has variation, so the diameter is normally distributed with a mean of 5 mm and a standard deviation of .02 mm. A) What proportion of ball beari..
What does analysis of variance mean? One of the students answers this question as follows:
Sample size of only 20. Find out a 95% confidence level for population Cp.
A sample of 50 customers resulted in a sample mean of $90. What is the probability of obtaining a sample with a sample mean smaller than $90?
Assume the earnings from this investment project is a normal distribution. What is the probability that you will lose money or earn nothing from this project.
Each year the local country club sponsors a tennis tournament. Play starts with 128 participants. During each round, half of the players are eliminated.
A market researcher wants to find the 99% Confidence Interval for the average number of hours people spend online each day.
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