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The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile.
Statistics and Probability, Statistics
2 part question: Part 1: What do you think is the item that accounts for the most cost in any hospital's budget? Can you outline ways to keep this cost under control? Part 2: Do think it is more difficult for a manager t ...
A firm requires an investment of $18,000 and will return $26,000 after one year. If the firm borrows $10,000 at 8% what is the return on levered equity?
Parents who did not finish high school have SAT math scores X with mean 451 and standard deviation 103. Scores Y of children of parents with graduate degrees have mean 567 and standard deviation 104. Perhaps we should st ...
What is the annual yield to maturity (YTM) of a 10-year bond, $1000 par, 8% coupon paid semi-annually, currently selling for $975?
State whether each of the following will increase, decrease, or have no effect on the population variance. (a) the sum of squares ( SS ) increases This change will increase the population variance. This change will decre ...
A standard? 52-card deck of cards is shuffled and then a hand of 8 cards is dealt from the deck. How many different outcomes are possible that have exactly 3 ?pairs, and all other cards of different? ranks?
Given a trendline of y = 5832x + 135799, where the variable x represents the age of a home (in years) and the variable y represents its current market value (in dollars), use this trendline to predict the current market ...
On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inc ...
During this course, you have compiled a marketing plan for your fictional start-up company. Share the most important part of the marketing plan, and include an explanation of your company and product/service, situation a ...
Let X be a continuous random variable. Suppose that we know that Pr(X 5), and how do you know? (Hint: X is not necessarily normally distributed, but you can still consider how much area is under the curve, no matter the ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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