Samantha is selling custom printed t-shirts as a fundraiser. It costs her $3.50 to print a shirt with one ink color and $4.00 to print a shirt with two ink colors. She sells single-ink-color shirts for $5.00 and two-ink-color shirts for $6.00. An order is placed for 153 single-ink-color shirts and 88 two-ink-color shirts. How much will Samantha have to spend in order to fulfill this order?

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