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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
a study of 35 golfers showed that their average score on particular course was 92. the standard deviation of the sample
there are 3 coins in a box. the probability of getting head is 23 for two of them while for remaining it is 12. a coin
The probability that Traci Muldone will die during the 10-year term of a life insurance policy is assessed by the insurance company at 1/5. Arthur Average's probability of living to the end of the 10-year period is reckoned at 95%
the following eight observations were randomly selected from two populations that were not necessarily normally
a national magazine claims that the average college student watches less tv than the general public. the national
Draw a column chart from grade book. Use column illustrating students' names; select one of the tests to plot.
Suppose you know that the distribution of sample proportions of nonresidents in samples of 200 students is normal with a mean of 0.04 and a standard deviation of 0.03.
Which of following statements would be right concerning a twotail test at 0.05 level of significance? We can conclude that average cottage cheese consumption in America is at least 0.705 pound more or less than 2.75 pounds per person per year.
Determine the overall probability (rating), given all the ratings and weightings that, when A, B, C, D and E are combined.
Where should the warranty limits be set so that only 10% of the TVs need repairs at the manufacturer's expense?
when determining the sample size needed to achieve a particular error estimate you need to know sigma. what are two
If 50 different homes are randomly selected, find the probability that their mean energy consumption level for September is greater than 1075 KWh.
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