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An investor estimates that there is a 1 in 10 chance that a stock purchase will lose 20% of its value, a 2 in 10 chance that it will break even, a 3 in 10 chance that it will gain 15%, and a 4 in 10 chance that it will gain 30%. What is the expected return as a percent-age based on these estimates?
The cards are mixed up, then a single card is drawn at random and placed on the table. If the top side is black what is the chance that the other side is white?
Create a deviation from mean for the temperature variables and create squared terms for each of the temperature variables in deviation from mean form.
This statement should state that every that every flip of the coin is independent and for each flip for unbiased coin head and tail are unequal likely.
construct a confidence interval of the population proportion at the given level of confidence. x105 n150 95
Test whether this town is significantly different to the rest of Australia, given the probability of making a type 1 error is 5% using p-value method.
What are the degrees of freedom of the t test statistic when testing whether the number of customers who make purchases affects weekly sales and what is the value of the standard error of the estimate?
If no more than 5% of the containers are to weigh less than 15.80 oz., what must the standard deviation of the weights equal?
what are the steps in the construction
Find out how to minimize cost of meeting demands in Houston and Tampa.
Comment on any problems you see with the use of the mean and standard deviation as summary statistics.- How well do you think the Normal model will work on these data? Explain.
Every population has a parametric mean (µ) and parametric standard deviation (s). Briefly discuss the impact of sample size on these parametric values.
scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of
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