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1. The scores of the GRE exam are transformed so they have a mean of 500 and standard deviation of 100. The scores are known to be normally distributed. What is the percentage of students that score below 750?
2. In 10 Bernoulli trials, 130 outcomes contain exactly three successes. Is this a true statement?
3.The probability is about 0.00024 of being dealt four of a kind in a hand of five-card poker. In 10,000 hands of five card poker, roughly 2.4 times How many would you expect to be dealt?
Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households selected at random, what is the probability that:
On average, you receive 2 telemarketing calls per day. What is the probability that you will not receive any telemarketing calls today.
If we repeated this procedure many, many times, only 5 percent of the 95 percent confidence intervals would fail to include the mean Math SAT score of the population of all students at this college.
Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance
Test the hypothesis that the dogs did significantly better than what would be expected with random guessing.
Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?
To determine whether the mean is greater than 16 ounces using large sample test.
The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis
You're the production manager for operation that produces circuit boards. Each board is tested at the end of manufacturing process. Rejected boards are discarded and have no future value.
Divide your data in half, your first 8 observations and your last 7 observations. Then use ANOVA to test to see if there is a significant difference between the two halves of your data. This list of Webpages that Perform Statistical Calculations h..
What is the probability that a cereal would both high calorie and high fiber? In other words, what is P (high calorie and high fiber)?
Which of the following(s) can be considered (a) variable(s)?
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