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Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 80 was taken. What is the probability that at least seventy percent of the sample prefers Coke to Pepsi? A. 0.1038 B. 0.1423 C. 0.8962 D. 0.8577 E. Can not be determined.
Introduce some basic library search tools and demonstrate the relevance of statistics (in this case, regression analysis) to your chosen field of study. MS 3043 - Spring 2014 Project
Mean of 29.44 with a standard deviation of 2.86. Conduct a two tailed hypothesis test at a significance level of .05 to see if the two means are different.
In a sample of 200 women, 144 of them said they were in debt. Test the claim that women are in deeper debt than men, at a=0.01.
to get a c in history nandan must average 74 on four tests. scores on the first three tests were 69 74 and 65. what is
Determine the mean and the standard deviation of the sample.
Based on this information, what is the probability that a customer will spend more than 9 minutes in the record store?
Nrmal distribution
Burnwood Tech plans to issue some $60 par preferred stock with a 6% dividend. A similar stock is selling on the market for $70. Burnwood must pay flotation costs of 5% of the issue price.
To find the probability values in case of raw data, binomial, normal
Do you think an F-ratio of 1 would lead you to conclude that there is no treatment effect? Why? Justify your answers with examples.
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
If a person were to guess a number from 1-10, the chance of guessing a 4 would be 0.1. If 5 people were asked to guess a number from 1-10, the chance of guessing a 4 would be 0.5. The chance of 2 people guessing a 4 would be (0.1)(01.)=(0.01), correc..
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