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Find the margin of error for the 95% confidence interval used to estimate the population proportion.
In a clinical test with 2349 subjects, 1232 showed improved from the treatment.
A) 0.0273
B) 0.0226
C) 0.0172
D) 00202
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Find a 95% confidence interval for the difference in the proportion of deaths between the streptokinase and the control group.
Determine the mean and standard deviation of this distribution?
If the estimate is to be within 8 mpg of the true mean with 98% confidence and the estimated standard deviation is 22 mph, how large a sample size must be taken?
If the standard deviation of the amount of coffee dispensed is 0.4oz and the amount of coffee dispensed is normally distributed.
What is the probability that a cereal would both high calorie and high fiber? In other words, what is P (high calorie and high fiber)?
Find the sample size for the 95% confidence interval used to estimate the population proportion.
Find out optimal decision
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
Any analysis required to check the required conditions (note that if you find that you cannot meet the required conditions for the test you expected to do, you must use the appropriate non-parametric test)
If a blue ball is selected you win nothing. Let X be the amount that you win. The expected value of X and let the random variable X be a random number with the uniform density curve given below
What is the probability the average of the sample is more than $38000 and What is the standard deviation of the sample mean
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