Asked by bill
The average time to sew a pair of pants is 4.2 hours with a standard deviation of 30 minutes and if the distribution is normal then the probability of a worker finishing the pants in less than 3 hours is.
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.
Answered by
Anonymous
The unemployment rate in a city is %. Find the probability that fewer than out of people from this city sampled at random are unemployed. Round your answer to four decimal places.
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