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 understand 100% 10/10 hit or miss?

step-by-step explanation:

isi

step-by-step explanation:

use that smart brain

1. 34

2. 268

3. x=14.4

step-by-step explanation:

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40