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A New York State license plate contains 3 capital letters followed by 4 digits. (there are 26 capital letters in the English language.)
a) How many possible different NYS license plates are possible?
b) How many possible license plates are possible if letters may not be repeated?
A probability value of .25 means that an event will occur:
Which test should we use to determine whether the difference between Mesa and Tempe is statistically significant? Why? Should it be one or two-tailed?
Translate this into a statistical hypothesis-testing problem and carry out the test. Be sure to give the null and alternative hypotheses, the value of the test statistic, the p-value, and your conclusions.
The samples a group of 100 new fathers and finds that their mean is 64.5. What is the shape of the comparison distribution?
is ultrasound a reliable method for determining the gender of an unborn baby? there is accompanying data on 1000 births
How does multilinear regression analysis apply to a profession? Specify the dependent value and the set of predictors. Where would you get the data?
Final scores averaged 66 for the treatment group; the SD was 21. For the control group, the figures were 59 and 20. What do you conclude?
five students ann betty clint douglas and edward are rated equaly qualified for admission to law school ahead of other
when analysis of data reveals differential effects of one factor across levels of another factor what is this
Results would be misused if wendys uses them to draw generalisation about the greater population or regard them as conclusive. Suggest and elaborate on two possible measures to glean such information.
Normal distribution with a mean of 8.1 minutes and a standard deviation of 1.9 minutes. For a randomly received emergency call, find the following probabilities. The response time is between 5 and 10 minutes
Suppose among 312 large city residents sampled, 65 refused to cooperate. What is the margin of error at the 95% confidence level.
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