ridinpradeep666
ridinpradeep666 ridinpradeep666
  • 11-10-2021
  • Mathematics
contestada

There are 30 tickets numbered as 1, 2, 3, 4, 30 respectively. One random. What is the probability that the number on the ticket is a multiple 2 or 3​

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mhanifa
mhanifa mhanifa
  • 11-10-2021

Answer:

  • 2/3 or 66.66%

Step-by-step explanation:

Out of 30 numbers, half is multiple of 2 and the third is multiple of 3.

We have 15 even numbers and 10 multiples of 3. Out of 10, half is even numbers and  therefore counted twice.

So we subtract 5 to get:

  • 15 + 10 - 5 = 20 numbers

If we chose one ticket at random the probability is:

  • P(2x or 3x) = 20/30 = 2/3 or 66.66%
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