The 2011 gross sales of all firms in a large city have a mean of 2.4 million and a standard deviation of 0.6 million. Using Kuibyshev's theorem, find at least what percentage of firms in this city had 2011 gross sales of 1.1 to 3.7 million. Round your answer to the nearest whole number.

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

step-by-step explanation:

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.