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Wildlife biologists are attempting to track the prevalence of rabies in Texas coyota populations. They trap and test coyotes in three widely separated counties to determine whether the prevalence, the proportion having rabies, is the same.
What is the chi-square statistic for the test comparing these proportions, and what is the critical value for the test of equal proportios at the alpha = 0.05 level?
The answer is "2.32, 5.99" but i need help getting there
question the owner of a restaurant serving continental-style entrees has the business objective of learning more about
A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as follows:
A group of 47 randomly selected students have a mean score of 20.2 with a standard deviation of 4.6 on a placement test. Construct a 90% confidence interval for the mean score, , of all students taking the test.
Each,day Monday through Saturday, a baker bakes three large chocolate cakes and those not sold on the same day are given away to a food bank.
Forecast this time series for the first 4 months of the next year using the most appropriate method. Defend your choice of forecasting method.
Find the probability of getting at least 127 boys among 152 babies. Does the result suggest that the YSORT method is effective? Why or why not?
Approximately normally distributed with a mean of 32 hours and a standard deviation of 2 hours. What percent of the garages take between 30 and 34 hours to erect?
the time it takes to process phone orders in a small gift shop is normally distributed with a mean of 6 minutes and a
If the manufacturer sells the parts in packages of 10 parts, what are the mean and standard deviation of the number of useable parts in a package?
If it has an emergency locator, what is the probability that it will not be discovered? If it does not have an emergency locator, what is the probability that it will be discovered?
A financial institution transfers a large data faile every evening from offices around the world to its San Antonio headquarters. Once the file is received, it must be cleaned and partitioned before being stored in the company's data warehouse.
Julia's cost for the soft drinks are 55 cents, and she sells them for two dollars. She can expect to sell just as many soft drinks as all food items combined.
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