I do not understand this question, what do i do??

90 shoppers have cookies or fruits as their favorite snack.

Step-by-step explanation:

First add 15% and 15% to get a total of 30% then multiply 300 by 30 to get 9000 and divide that by 100 to get your answer of 90.

90

Step-by-step explanation:

so if there are 300 shoppers and 10% of 300=30

we also know that if you add the % from people who got cookies to the % of people who got fruits you would get 15+15=30

30% of 300 is the same as 10% times 3 so if 10%=30 then that times 3 =90

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step-by-step explanation:

because i said it is

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify