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Given the following data from three independent samples, use the 0.025 level in determining whether the population means could be the same.
Sample
1
2
3
6
7
14
9
20
18
11
23
12
15
17
13
27
10
16
Five hundred draws are made at random with replacement from a box of numbered tickets; 276 are positive. someone tells you that 50% of the tickets in the box show positive numbers.
lays inc. packages potato chips in small bags. the mean number of chips in a bag is 20 with a standard deviation of 3.
Inmates who are in the state facility and 9 who have legal satisfaction scores of 5 or more. How do determine the probability for this because I have come up weird numbers.
Assume that the light bulbs produced in Factory A have a lifetime you can model as being exponentially distributed with parameter A. The posterior distribution of with these assumptions. What is the name of this type of distribution?
explain what problems arise in trying to make conclusions based on a survey mailed to the subscribers of a specialty
ph in the water is 7 at the .05 significance level. Her alternative hypothesis is that the water does not have a pH of 7. For which p-value will she fail to reject the null hypothesis?
In a large corporation, 80% of the employees are men and 20% are women. The highest levels of education obtained by the employees are graduate training for 10% of the men, undergraduate training for 30% of the men, and high school training for 60%..
Could we estimate the effect of usd on prod with FE if the value of every country's currency (relative to the US dollar) remained the same over the sample time period? Why or why not? Please answer in 2-3 sentences.
locations: Jung (Sweden), Reynosa (Mexico), Pohang (South Korea) and East Tamaki (New Zealand). The electric motors are manufactured by Nanuq Europe which has three plants capable of producing these motors. These plants are located in Gaydon (UK),..
The mean and standard deviation of these values are X‾ = 46.4 and s = 11.27. Assuming normality, test the hypothesis that the average percentage is 45 with α = .05.
1. a random variable is binomially distributed with n 16 and pi .40. the expected value and standard deviation of the
A magazine article stated that the average age of women who are getting married for the first time is 26 years. A researcher decided to test this hypothesis at α = .02. She selected a sample of 25 women who were recently married for the first time..
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