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Suppose a wildlife service wishes to estimate, with 99% confidence, the mean number of days of hunting per hunter for all licensed hunters in the state during a given season, with a bound on the error of estimation equal to 2 hunting days. How many hunters must be included in the survey? Assume that the data collect in earlier surveys have show o = 10.
An automobile insurance company estimates the following loss probabilities for the next year on a $25,000 sports car:
Calculate the value of the chi-square statistic and test whether all regions are statistically the same at 5% and 1% level tests.
The Starbucks in the Bauer College of Business found that 24% of customers purchase more than one cup of coffee per day from their shop. If 180 customers are randomly selected one day, what is the probability that no less than 25% of them purchase..
Select a US citizen and a citizen of China at random, independently of one another. Determine the probability that both have type O blood?
A multiple regression equation for list price of homes in certain community in USA is=170,000 -850 X 1 + 28,000 X 2 , where X 1 signifies age in years and X 2 signifies number of rooms.
Briefly explain how the standard deviation influences outcome of hypothesis test. How does σ influence measures of effect size?
These data are presented below. Should the manager be given an increase in staff? Why or why not? Please show your work.
Dertermine the probability that a male is a Major or a Colonel?
If a six appears for the third time, the turn of the player ends without moving the token. Determine the sample space of one such throw and determine the probability for each event.
Do 1-sample t-test to see if people in Chicago have travelled to fewer states than people nationwide. Utilize the 10% (.10) level of significance.
A five-star hotel accepts 100 room reservations daily. For each reservation accepted, there is a 7% chance that the guest will not arrive.
The Type 1 error states the probability of being wrong whenever:
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