Sam’s Music Store wanted to take a survey of the age range of people that visited the store. Over the course of a week, they ask
40 people their age as they walked in. Above is a box plot of the collected data. Answer the following questions about the box plot in relation to the problem.
How many customers were age 28 or below? Use a specific number, not a percentage.
How many customers were age 28 or below? Use a specific number, not a percentage.
1 answer:
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(x - 4)² = 25
x - 4 =
√25
x - 4 = 5
x = 5 + 4 or x = -5 + 4
x = 9 or x = -1
Method Use : Completing the square
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Answer: x = 9 or x = -1
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x - 4 =
x - 4 =
x = 5 + 4 or x = -5 + 4
x = 9 or x = -1
Method Use : Completing the square
-------------------------------
Answer: x = 9 or x = -1
-------------------------------