Compute standard deviation of sample mean for loading laptop
A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes with a standard deviation 15 minutes. Suppose you take a random sample of 64 employees. The standard deviation of the sample mean is?
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Determine the following measures for 2014, rounding to one decimal place, except for dollar amounts, which should be rounded to the nearest cent.
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If total liabilities increased by $15,000 and stockholders' equity increased by $5,000 during a period of time, then total assets must change by what amount and direction during that same period?
A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes with a standard deviation 15 minutes.
Assume that the number of hours worked per week for those who work full time is normally distributed. Suppose 12% of these workers work more than 48 hours. Based on this percentage, what is the standard deviation of number of hours worked per wee
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We have a bag with 10 red, 10 blue and 20 green marbles. you draw two marbles out of this bag without replacement. What is the probability of not getting any green marbles?
Let Y be a uniform random variable defined over the interval (0,2). Find an expression for the rth moment of Y about the origin.
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