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The probability that Pete will catch fish when he goes fishing is .8. Pete is going to fish three days next week. Define the random variable x to be the number of day Pete catches fish. (hint. binomial distribution)
The probability that Pete will catch fish on one day or less is .1040
Would it be reasonable to conclude that the population mean is 63 pounds?
By constructing null and alternative hypotheses, computing critical values, and comparing test statistic to critical value.
There are two telephone lines A and B. Let E1 be the event that line A is being used and E2 be the event that line B is being used
Expand and aggregate plan using each of the following guidelines and complete the total cost for each plan. Which plan has the lowest total cost.
To determine whether there exists mean difference among the groups:
How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?
When carrying out a large sample test of H 0 : m =10 vs. H a : m ¹ 10 by using a p-value, we reject H 0 at level of significance α when the p-value is:
At 0.05 level of significance, is there evidence that proportion of claims processed under this new system is higher than article reported for previous system?
At 5% level of significance, is true mean smaller than specification? Clearly mention your hypotheses and decision rule.
Determine the average amount of time that a guest spends checking in. How would this change under each of the state options?
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Indicate your hypotheses, decision rule, statistical decision and management conclusion using the critical value and then find the p-value and state your decision rule, statistical decision and management conclusion using this method.
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