Home / Questions / The grades on the final examination given in a large organic chemistry class are normally ...
The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an "A" grade to the top 10% of the scores, a "B" grade to the next 10% of the scores, a "C" grade to the next 10% of the scores, a "D" grade to the next 10% of the scores, and an "F" grade to all scores below the 60th percentile of this distribution. For a letter grade of A, find the lowest acceptable score within the established range. Provide your answer in the format XX.X, for example, 93.4.
2) Researchers studying the effects of a new diet found that the weight loss over a one-month period by those on the diet was normally distributed with a mean of 9 pounds and a standard deviation of 3 pounds.
Apr 05 2020 View more View Less
In a certain system, an electric heating element was found to increase the temperature of a piece of metal 10° for each ampere of current. The metal expands 0.001 in. /de...
Jul 15 2020The second glass of zinfandel was very good,” said Ian McDonald. “May I have another?” Which of the following is true with respect to Ian’s c...
Dec 09 2019What should happen to a security’s equilibrium interest rate as the security’s liquidity risk increases?
Mar 29 2020A W14x68 column has an effective length for y-axis buckling equal to 24 ft. Determine the effective length for the x-axis that will provide the same theoretical buckling...
May 25 2020Calculate the wavelength of each frequency of electromagnetic radiation.a . 100.2 MHz (typical frequency for FM radio broadcasting)b. 1070 kHz (typical frequency for AM r...
May 30 2021Swifty Corporation sells MP3 players for $50 each. Variable costs are $40 per unit, and fixed costs total $120000. How many MP3 players must Swifty sell to earn net incom...
Jul 23 2021The following information is available for Ethtridge Manufacturing Company for the month ending January 31, 2016: Cost of direct materials used in production ...............
Apr 11 2020Hi, I am in advanced accounting and doing a balance sheet for state and local government. Can you help me create a balance sheet for the capital projects fund? The follow...
Sep 16 2020Company manufactures skates. The company’s income statement for 2013 is as follows: HARDING COMPANY Income Statement For the Year Ended December 31, 2013 Sales (10,500 sk...
Apr 01 2020The managers ofUnited Medtronics are evaluating the following four projects forthe coming budget period. The firms corporate cost of capital is 14percent.Project Cost IRR...
Nov 30 2019