velazquezalexa1
velazquezalexa1 velazquezalexa1
  • 15-02-2019
  • Mathematics
contestada

A class has 21 girls and 12 boys. What is the probability that a boy's name is drawn at random? 12 over 21 21 over 12 12 over 33 21 over 33

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 15-02-2019

Answer:

12/33

Step-by-step explanation:

To find the probability that a boys name is drawn, we take the boys over the total

We need  to find the total

21 girls + 12 boys = 33

P (boy) = boy/total

              =12/33

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lazypandabearrr lazypandabearrr
  • 15-02-2019

Answer:

12 over 33

Step-by-step explanation:

Since you will be picking a boy and there are twelve boys... twelve is the numerator. For the denominator you would want to combine all boys and girls which equals 33. :)

Answer Link

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