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Question: Consider a multinomial experiment with n = 400 and k = 3. The null hypothesis is H0: p1 = 0.60, p2 = 0.25, and p3 = 0.15. The observed frequencies resulting from the experiment are:
Category 1 2 3
Frequency 250 94 56
a. Define the alternative hypothesis.
b. Calculate the value of the test statistic and approximate the p -value for the test.
c. At the 5% significance level, what is the conclusion to the hypothesis test?
What is the probability that a single randomly selected juror from Hidalgo County is Mexican-American? Explain briefly. What is the probability a single randomly selected juror is not Mexican-American? Explain briefly.
Sylvia, I saw you shopping for wine the other day. Incidentally, are you still drinking excessively?
Two bags contain red, yellow and blue cubes. bag a has 12 red cubes 16 yellow and 22 blue. Bag b has 11 red 14 yellow and 20 blue. Throw wants to choose a yellow cube. which bag should he choose.
We are interested in determining if the accident proportions differ between the two age groups:
The number of new business registrations in the Gauteng region was recorded by the Department of Trade and Industries for the period 2007 to 2011.
detemine the probability mass function for x. let the random variable x be equally to assume any of the values 18 14 or
q1. consider throwing 2 usual dice. in each play we observe the number of dots that stay on top sum the returned result
Physical stores face increasing competition from online rivals. To compete, a campus bookstore collected data on sales of newly released trade books dis- played on shelving near the store entrance. These data give weekly sales per week of trade bo..
Now increase the variation within the groups by dragging the mark on the standard deviation scale to the right. Describe what happens to the F statistic and the P-value. Explain why this happens.
Would the comparison of frequency of myopia across the categories of lighting be as easy to make using the bar graph with counts?
the manager of a manufacturing company believes that experience is the most valuable variable in determining a workers
A machine is set to fill a small bottlewith 9gram of a medicine. A sample of 8 bottles revealed the following amount (g) in each bottle. At the .01 sig level, can we conclude that the mean weight is less than 9 grams?
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