minhaj

. An admissions director wants to estimate the mean age of all students enrolled at a college. The estimate must be within one year of the population mean. Assume the population of ages is normally distributed. Determine the minimum required sample size t...

let the trouser material be 2x amd shirt material be 3x. per meter selling price of trouser =90 + 90*12/100 =100.8m per meter selling price of shirt = 50+50*10/100 = 55 according to question 100.8(2x)+55(3x)=36660 201.60x+165x=36660 366.60x = 36660 x =366...