A stocks rate of return in year 1 is 0.1, in year 2 is -0.1, and in
year 3 is 0.5. What is the stock annual arithmetric average return?
A stocks rate of return in year 1 is 0.1, in year 2 is 0.3, and in year 3 is 0.5. What is the stock annual geometric return?
A dishwasher has a mean life of 12 years with an estimated standard
deviation of 1.25 years. The life of a dishwasher is normally distributed. Suppose you are a manufacturer and you take a sample of 10 dishwashers that you made. Can you help me find the mean of the sample mean and show the steps?
The blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg.
If you did find a sample mean for 15 people in China to be more than 135 mmHg, what might you conclude?
The blood pressure for people in China is 128 mmHg with a standard
deviation of 23 mmHg. Suppose a sample of size 15 is taken, would the shape of the distribution of the sample mean be a bell shaped curve?
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