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stiv31 [10]
3 years ago
9

Using the bar chart, what percent of the population studied has either 2 or 3 cars?

SAT
1 answer:
PtichkaEL [24]3 years ago
4 0
It is D
What you need to do is find the total of people which is 303.
then you do the 3 rule
100% = 303
x% = 215 (add the people who have 2 or 3 cars)
210*100/303=70.9%
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In a bag of candy, Marsha found that there were 7 red, 8 blue, 5 yellow, and 9 greens pieces of candy. Marsha put all of the pie
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Answer:

PART A

  • Red: 7/29
  • Blue: 8/29
  • Yellow: 5/29
  • Green: 9/29

PART B

  • Red or blue: 7/29 + 8/29 = 15/29
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Explanation:

In this case where the question is asking or <u>OR</u> and the events are <u>mutually exclusive</u> (Mutually exclusive meaning you can't attain two or three different colors in one pick), the compound probability is the sum of the probability of each component event (Probability of Red <u>OR</u> Blue = P(Red) + P(Blue) = 7/29 + 8/29 = 15/29)

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