1.

There is 25% chance that it rains on any particular day. What is the probability that there is at least one rainy day within a period of 7 days?

A. \(1 - {\left( {\frac{1}{4}} \right)^7}\)
B. \({\left( {\frac{1}{4}} \right)^7}\)
C. \({\left( {\frac{3}{4}} \right)^7}\)
D. \(1 - {\left( {\frac{3}{4}} \right)^7}\)
Answer» E.


Discussion

No Comment Found