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One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500.
Assume that 35000 lottery tickets are issued and sold for $1.
What is the lottery expected profit per ticket?
What is the probability of selecting an accounting major, given that the person selected is a male?
Test hypothesis that both propellants have same mean burning rate. Utilize α=0.05. Compute the P value.
If 1 man aged 18-24 is arbitrarily chosen, determine the probability that his serum cholesterol level is between 165 and 200.
Conduct an analysis of variance
Part 1. What is the appropriate distribution for such data? Part 2. Is this lot anomalous?
A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation.
The standard deviation of the time to complete the entire homework assignment
For each problem, compute a Welch F-statistic and determine whether or not significant differences exist among the treatment conditions.
Test hypothesis that mean weight of 2 sheets are equal against alternative that they are not(suppose equal variances). Use α=0.05 and suppose equal variances. Determine the P value.
Assume that demand for the upcoming weekend is normally distributed with a standard deviation of 30.
Evaluate the difference in the mean ratings and find the standard deviation of the difference in the ratings, what is the chance both children are boys?
We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as yes or no.
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