A mad professor wants to divide magic potion into samples. How many 34 Liter samples can be made form 6 Liters of magic potion?

What is the correct division expression needed to find the number of samples?

3/4 ÷ 6,

12 × 6,

6 ÷ 3/4,
or
6 × 4
?

The thickness of photoresist applied to wafers in semiconductor manufacturing at a particular location on the wafer is uniformly distributed between 0.2070 and 0.2171 micrometers.(a) determine the proportion of wafers that exceeds 0.2125 micrometers of photoresist thickness. (round your answer to 3 decimal places.)enter your answer in accordance to the item a) of the question statement(b) determine the mean of x. (round your answer to 4 decimal places.)enter your answer in accordance to the item b) of the question statement micrometers(c) determine the variance of x. (round your answer to 8 decimal places.)enter your answer in accordance to the item c) of the question statement micrometers2