Question

Last week, it rained on 5 days out of 7 days. The probability that if we pick a random day from the week, it will be a rainy day is

• A. $\frac{5}{7}$
• B. $\frac{7}{5}$
• C. $\frac{2}{7}$
• D. $\frac{7}{7}$

Answer 1

The correct option is A

$\frac{5}{7}$

Given, it had rained 5 out of 7 days.
i.e., Number of rainy days = 5
Total number of days = 7
Then,
$\text{Probability}=\frac{\text{Number of rainy days}}{\text{Total number of days}}=\frac{5}{7}$