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Captain D's tuna is sold in cans that have a net weight of 8 ounces. The weights are normally distributed with a mean of 8.025 ounces and a standard deviation of 0.125 ounces. You take a sample of 36 cans. Compute the probability that the sample would have a mean:
a. greater than 8.03 ounces?
b. less than 7.995 ounces?
c. between 7.995 and 8.03 ounces?
A fair coin was flipped three times and landed heads three times. What is the probability of a head on the next toss?
Utilizing the .05 level, do the results support the psychologists' theory. A psychologist theorized where people can hear better when they have just eaten a large meal.
Rank the funds by using this alternative measure of risk. Which, if any outperformed the market on the risk-adjusted basis.
To test whether the population standard deviation differ significantly using Chi-Square test.
Suppose it costs $25 per student for the administrators to provide the course materials.
95% of breaking strengths will be contained between what two values symmetrically distributed around mean?
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
Decision making under risk is the same as decision making under uncertainty because in both the probabilities are unknown.
The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.
Define the decision rule. Calculate the value of the test statistic.
The casino game craps is based on rolling two dice. Here is the assignment of probabilities to the sum of numbers on the up face when two dice are rolled:
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
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