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Show that the square of the expression for z in Exercise 12 equals so that the two tests are actually equivalent when the alternative hypothesis is θ1 θ2. Note that the test described in Exercise 12, but not the one based on the χ2 statistic, can be used when the alternative hypothesis is θ1 2 or θ1 > θ2.
Exercise 12
Given large random samples from two binomial populations, show that the null hypothesis θ1 = θ2 can be tested on the basis of the statistic
He is twice as likely to visit city X than the other city. Obtain the transition probability matrix. Also determine the proportionate visits by him to each of the cities in the long run.
The second segment goes from (1,1) to the point (x, 1). Sketch the distribution function, and determine what x has to be in order to be a legitimate density curve.
Find the point estimate for the population proportion, the margin of error for a 95% confidence and then construct to the 95% confidence interval for the population proportion
a random sample of 81 credit sales in a department store showed an average sale of 68.00. from past data it is known
the level of significance is the a. same as the p-value b. maximum allowable probability of type i error c. same as the
According to an internet posting, 80% of adults enjoy drinking beer. Choose a group of 3 adults at random. The probability that none of them enjoy drinking beer is:
bottles of juice of one brand are supposed to contain 16 fluid ounces of juice. the table below shows the amount of
let xt be equal to the number of particles emitted from a radioactive source during a time interval of length t. assume
a car company made a change to their fuel injection system that may improve gas mileage. to determine if this was the
Divide the class into three teams. Each team will access various search engines for information on Terry Childs, who was the network administrator for the City of San Francisco, California. One team will act as the prosecution and will present the..
There were 1000 more students at the soccer game than nonstudents. Student tickets were $8.50 and nonstudents were $13.25. If the total revenue for the game was $75,925, then how many tickets of each type were sold?
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
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