Normal Distribution
Statistics – Standard Deviation
July 9, 2019The mean age at which men in the United States marry for the first time
July 9, 2019The meanweight of loads of coal placed in train cars by a loading machine is 43.0 tons with a standard deviationof 8.0 tons. Assuming that the weight of loads placed in the train cars by this loader are normally distributed, if a random sampleof 9 loads is chosen for a weight check, find the probabilitythat the mean weight of those loads is more than 40.60 tons.
Compute your answer rounded to four decimal places. Do not use any labels or symbols other than a decimal point. Simply provide the numerical value.
