Compute the expected value to the person
On a toss of a fair die, a person wins $10 if 1 or 3 results, loses $5 if 4 or 6 results, wins $5 if 2 results, and loses $10 if 5 results. Compute the expected value to the person.
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Test at the .05 level of significance whether the proportion of alumni who support the coach is less than 50 percent.
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region.
A random variable, X, has a probability density function, f(x) = 2x for 0 < x < 1. Find the difference between 10th percentile and the 90th percentile.
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The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level. Compute the value of the test statistic.
Suppose a fast food restaurant wishes to estimate average sales volume for a new menu item. The restaurant has analyzed the sales of the items at a similar outlet and observed the following results:
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