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Does it appear that the proportion of people in that town with depression or a depressive illness is lower than general adult American population? Why or why not?
find the sample size needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.03 margin
What is the probability that their average lifetime would be less than 510 hours? Use your calculator to solve this problem and give your answer as a number between 0 and 1, rounded to 3 decimal places.
a company is testing a machine that produces balls. a sample of 27 balls has for the diameters a sample mean of 3.5025
a production line operation is designed to fill cartons with laundry detergent to a mean weight of 32 ounces. a sample
The products are acceptable and that 30% are defective. If five of the products are randomly selected, find the probability that all five are defective?
Calculate the power of the test, if the true proportion is 0.6. How can we increase the power of the test -state all possible methods.
Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.
Find an unbiased estimator of mp(1 - p)/n. Find the optimal estimator using the Rao-Blackwell Theorem.
Determine whether the following are demonstrative definitions, enumerative definitions, definitions by subclass, synonymous definitions or etymological definitions.- "State" means something such as Ohio, Arkansas, Minnesota, and Tennessee.
3. (SPSS) A criminal psychologist wants to examine the level of narcissistic personality traits between those who are diagnosed with antisocial personality disorder (ASPD) and those who do not qualify for ASPD. She administers a measure of nar..
A single experiment generates a random value from this distribution. If the experiment is repeated many times, what will be the approximate value of the mean of these random variables? Give a reason for your answer.
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