gabbyalicorn
  • gabbyalicorn
Cards with the numbers 1 through 50 are placed in a box and thoroughly shuffled. What is the probability of randomly selecting a card with a number less than 10 or a multiple of 12?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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gabbyalicorn
  • gabbyalicorn
https://www.dropbox.com/s/nxwx970tcijgm46/Screenshot%202015-06-16%2014.24.35.png?dl=0
gabbyalicorn
  • gabbyalicorn
@Skylar0001
gabbyalicorn
  • gabbyalicorn
@Haseeb96

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More answers

gabbyalicorn
  • gabbyalicorn
@mathstudent55
MeowLover17
  • MeowLover17
I wish i could help you but i really didnt pay attention in class when i was learning probability sorry :(
mathstudent55
  • mathstudent55
You are picking a card out of 50. Now you need to find out how many cards are the desirable outcome.
gabbyalicorn
  • gabbyalicorn
12?
mathstudent55
  • mathstudent55
How many cards are less than 10?
gabbyalicorn
  • gabbyalicorn
2?
mathstudent55
  • mathstudent55
1,2,3,4,5,6,7,8,9 Less than 10: 9 cards
mathstudent55
  • mathstudent55
Aren't all numbers 1 through 9 less than 10? That means there are 9 cards with numbers less than 10.
mathstudent55
  • mathstudent55
Now we need to see how many cards are multiples of 12. Which numbers from 1 to 50 are multiples of 12?
gabbyalicorn
  • gabbyalicorn
um 2 6 3 4
gabbyalicorn
  • gabbyalicorn
and 12
gabbyalicorn
  • gabbyalicorn
oh multiples
gabbyalicorn
  • gabbyalicorn
24, 36, and 48 am i right @mathstudent55
mathstudent55
  • mathstudent55
Also, 12 itself.
mathstudent55
  • mathstudent55
12 is a multiple of itself, so the multiples of 12 from 1 to 50 are 12, 24, 36, and 48
gabbyalicorn
  • gabbyalicorn
That makes sense.
mathstudent55
  • mathstudent55
Now you see you have a total of 9 + 4 = 13 cards that are you desired outcome. The probability of an event happening is the number of desired outcomes divided by the total number of possible outcomes. You have 13 desired outcomes, and a total of 50 outcomes. What is the probability?
gabbyalicorn
  • gabbyalicorn
13/50 ? C
gabbyalicorn
  • gabbyalicorn
Right, because you can't simplify it anymore.
mathstudent55
  • mathstudent55
Correct. p(choosing a number less than 50 or choosing a multiple of 12) = 13/50
gabbyalicorn
  • gabbyalicorn
Thank You!!! ^u^

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