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Historically, the proportion of adults over the age of 24 who smoke hs been estimated to be .30. You want to take a sample to estimatethe current proportion of adults over the age of 24 who smoke within 3% at 95% accuracy. When you completed the sameple you found that 114 of those adults sampled over the age of 24 smoke. Develope a 95% condience interval for the current porportion of adults over the age of 24 who smoke.
Reflect on radical expressions and their applications, and then consider how you might apply radical expressions to your daily life. Explain this application,
The mean top of knee height of a sitting mate is 20.7 in.
Flip the tree. Label all endpoints, supply all branch probabilities, and calculate and label an endpoint probabilities.
Solve manually and then by mega stat. Indicate your decision rule, your hypotheses and your statistical and management conclusions."
The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Suppose a sample of 40 Americans is taken to further investigate viewing habits.
Assuming that the data is normally distributed and the sample size is greater than 30, calculate the critical values for a two tailed and a one-tailed test when alpha = 0.05
Using the appropriate statistical procedure on the SPSS, test the between group means for a significant difference.
Does this data provide evidence at the .05 significance level that there is a difference in the proportion of humorous ads in British versus American trade magazines? Please show work.
For any distribution the score that separates the highest 10% from the rest of scores is called.
As a part of their testing program Sony tests samples of 25 batteries. What can you say about the shape of the distribution of sample mean?
If customers arrive according to a non-stationary Poisson process with rate function λ(t) = sin(t) + 5, is the time between the arrivals an exponential distribution?
Given that the mean of all 102 atomic numbers is 51.794, and the population standard deviation is 29.804, what is the probability that the mean of the 40 atomic numbers selected by the student will be at least 57.3?
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