melissa13978 melissa13978
  • 12-06-2020
  • Mathematics
contestada

You are randomly picking a number between 1 and 20, inclusive. What is the probability of selecting
an odd number?

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ayaanshinde1201
ayaanshinde1201 ayaanshinde1201
  • 12-06-2020

Answer:

So we know that if we start with an odd number and end with an even or we start with an odd and we end with an even, that means that half of the numbers are odd.

We can even count - 1, 3, 5,  7,  9, 11, 13,15, 17, 19 - 10 which is half.

So since half of the numbers are odd that means that

50% is probability

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ChillMuse
ChillMuse ChillMuse
  • 12-06-2020

Odd numbers between 1 and 20 (inclusive): 1, 3, 5, 7, 9, 11, 13, 15, 17, 19

Number of odd numbers: 10

Total numbers: 20

Probability of picking an odd number = 10/20 = 1/2 or 50%

Answer Link

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