A company produces chairs. The weekly production follow normal distribution with mean 200 and standard deviation 0 = 16.
Recently new production methods have been introduced. The
maneger would like to know if there has been a change in the
weekly production A sample of 50 chairs is selected. The sample
mean is 203.5 Test using 0.01 significance level.

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step-by-step explanation:

9 x 8 divided by (5-3)=36

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

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