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In a sample of 476 adults selected randomly from one town, it is found that 9 of them have been exposed to a particular strain of the flu. Find the Pvalue for a test of the claim that the proportion of all adults in the town that have been exposed to this strain of the flu is 8%.
(the choices for answers are)
.0262
.0524
.0048
.0024
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
Scores on a test are normally distributed with a mean of 60.9 and a standard deviation of 12. Find P81, which separates the bottom 81% from the top 19%.
The Scatter plot can more easily be generated using the Chart procedure.
A discussion of extreme weather reports that: "In most states, hurricanes occur infrequently. Yet, when a hurricane hits, the losses can be catastrophic.
Make use of normal probability distribution features of EXCEL to help determine the probability.
A sample of n = 5 scores has a mean of M = 12. If one person with a score of X = 8 is removed from the sample, what will be the value of the new mean?
Consider the following data values of variables x and y. The equation of the least-squares regression line for this data is
Two-liter plastic bottles used for bottling cola are shipped in lots of 100. Suppose the lots are 5 percent defective. Some bottles leak, some are too small, and so forth.
What is the difference between qualitative and quantitative data? Provide an example of each type. What is a null and alternative hypothesis?
Compute the z-score for M = 89 for a sample of n = 25 scores. Is this sample mean in the middle 95% of the distribution?
Chi-square test for independence of attributes - Describe why a x 2 test of the resulting contingency table is appropriate for such an investigation.
If 900 users visited the site, would the probability that more than 250 of them click on an ad be higher or lower than the answer found in part
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