What is the probability of your birthday falling on the 30th of any month of the year 2021?

Calculating the Probability of Your Birthday Falling on the 30th in 2021

In order to determine the probability of your birthday falling on the 30th of any month in the year 2021, we need to consider the total number of possible outcomes and the number of favorable outcomes.

The total number of possible outcomes in a year is 365 days. Since each month has a 30th day, there are 12 favorable outcomes (one for each month).

Therefore, the probability can be calculated using the formula:

Probability = Number of Favorable Outcomes / Total Number of Possible Outcomes

Substituting the values, we get:

Probability = 12 (favorable outcomes) / 365 (possible outcomes)

Simplifying this fraction, we find that the probability of your birthday falling on the 30th of any month in the year 2021 is 1/12.

So, the correct option is d) 1/12.

What is the probability of your birthday falling on the 30th of any month of the year 2021? a) 4/365 b) 1/3 c) 5/365 d) 1/12 The probability of your birthday falling on the 30th of any month in the year 2021 is 1/12. So the correct option is d.
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