Mean iq score of the sample
Assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a sample of 70 people are selected, find the probability that the mean IQ score of the sample is greater than 102.
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If the bank wants to earn an 8.5% rate of return on its money on average, what interest rate must you quote to Jim on this loan? Assume than in case of default, the bank is on average able to recover 50 cents on the dollar owed.
The average fuel to electric power efficiency of a coal fired power plant is about 37%. How much energy did these plants reject to the environment in 2001?
What your marginal federal tax rate? (What percent of your next dollar earned is lost via taxes?) Enter answer in percents, accurate to 2 decimal places.
Today you have $5,120 to invest, and want to have $572,132 in 49 years. What rate of return must you earn in order to meet your target?
Find the direction and magnitude of the work done this process? Find the direction and magnitude of the heat transfer during the process?
A motor bike battery manufacturer found that the life of their batteries is normally distributed with a mean life span of 8700 hours and a standard deviation of 400 hours. If a battery is selected randomly, find the probability that the battery wi
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A cold storage room has walls made of 0.23 m of brick on the outside, 0.08 m of plastic foam find the rate of heat removal by refrigeration if the total wall area is 90 m^2.
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