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Poker is back. It is so popular that the internet is loaded with on-line poker sites. Johnny C. is a poker enthusiast who believes that a certain on-line site is manipulating the probabilities to encourage winning. He has recorded the results of 3 months of playing with the accepted probabilities for each hand, n = 2,996.
Test Johnny C's claim that the on-line games do not follow the accepted probabilities with ? = .005.
There are many other poker hands that were lumped into the "Other" category ( IE: Royal Flush, probability of 0.000015391). Why did Johnny C. have to place these hands into one category?
Write a statistical null and alternate hypothesis and draw a conclusion about the relative safety of the three types of seats.
for a normal distribution with a zero mean and standard deviation of one use 10 random variables samples to compute the
how do you create a histogram in excel when you have the following data on 40 best paid executivesrank 1-40 ceo name
business needs to be at least $8 million dollars in annual sales before expansion could be considered. The following is data for the past 6 years. What should the owner's decision be regarding expansion in 2010?
Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period.
Levels above 200 warrant attention. If 95 teenage boys are examined. How many would you expect to have cholesterol levels greater than 225.
Evaluate probabilities using the laws of probability, the standard normal distribution, t-distribution, or X2-distribution.
it is estimated that 25 of the athletes competing in a large tournament are users of an illegal drug to enhance
The desired percentage of silicon dioxide in a certain type of cement is 5. A random sample of 36 specimens gave a sample average percentage of 5.21 and a sample standard deviation
Estimate the percentage who weigh more than 180 pounds? Assume that we want 96% confidence that the error is no more than 1.5 percentage points.
High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is
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