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.

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6

what is the question you are asking?