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Distribution of cholesterol levels in teenage boys is approximately normal with a mean of 170 and a standard deviation of 30. Levels above 200 warrant attention. If 95 teenage boys are examined. How many would you expect to have cholesterol levels greater than 225.
Use the binomial distribution formula to calculate the probability that a) out of 5 adults, none is concerned that employers are monitoring phone calls.
Explain the difference of your outlook on statistics after having studied it for whatever period of time you have done so as oppose to the time before taking up the study.
What are the four levels of measurement scales? Give examples of each and explain in detail. Explain the use of normal probability plot to evaluate whether a set of data is normally distributed? Please discuss in detail.
Assuming we can verify that the data set is approximately normally distributed, what percentage of times will the server be down less than 24 minutes?
About 68% of the students at fairview community college favor a new policy regarding parking on campus. suppose that we are interested in the proportion of 45 students in a math class who favor the policy.
FBI Report Do greater universities tend to have more property crime, would you speek that the correlation is low, moderate or high
An electronic company is about to launch a new product.if the serial number for each piece produced has the following format:LLNNN where L stands for any letter in English and N is a number from 0 to 9,what is the name of the counting rules used t..
The frequency distribution below was constructed from data collected from a group of 25 students. Construct a relative frequency distribution.
She asks 10 people how many Standard Deviations songs they know. Her data are:
The sample mean of the sampling distribution of a statistic is 6 and the standard error of the statistic is 1.03. What is the probability that xbar > 7.52?
He would like to estimate with .05 of the true proportion with a confidence level of 90%. What is the sample size needed?
In the history class the mean score was 76 with standard deviation 3.
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