Percentage of iq scores
IQ scores are normally distributed with mean 100 and standard deviation 15.
Find the percentage of IQ scores that are below 120. (Round your z-score to nearest hundreth and convert table probability to a percent.)
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The coffee/soup machine at the local bus station is supposed to fill cups with 6 ounces of soup. Ten cups of soup are brought with results of a mean of 5.93 ounces and a standard deviation of 0.13 ounces. How large a sample of soups would we need
A 24 hour urine specimen was diluted to 2L \after the solution was buffered to pH10 a 10 ml aliquot was titrated with 27.32 ml of0.003969M EDTA The Calcium in the second aliquot was isolated asCaC2O4 redisolved in acid and titrated with 12.21ml of
Start with x = 100 and add four x values to make a sample of five data such that the standard deviation of these data equals 0? I am lost on where to even start.
If the sides of the plate are one foot long and the top of the plate is two feet below the surface of the water then find the fluid force on the plate. Water weighs 62.4 lbs per cubic foot.
Find the percentage of IQ scores that are below 90. (Round your z-score to nearest hundreth and covert table probability to a percent)
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In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 44 and a standard deviation of 11.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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