A P Prabhakaran Solutions for Chapter: Probability, Exercise 3: OBJECTIVE TYPE QUESTIONS

The probability that a leap year selected at random will have a $53$ Sundays or Mondays is

There are $5$ addressed envelope and $5$ letters. The chance that the letters are not mailed through proper envelope when each envelope contains only one letter is.

The probability that at least one of the two events $A$ and $B$ occur is $0.6$. If $A$ and $B$ simultaneously occur with probability $0.2,$ then $P\left(\overline{A}\right)+P\left(\overline{B}\right)$ is

In a class of 100 students 60 drinks tea, 50 drink coffee and 30 drinks selected both. A student from this class is selected at random. The probability that the student takes at least one of the two drink is

When two dice are thrown, the probability of getting sum as $7$ or $8$ is

If $P\left(A\right)=\frac{1}{4}$, $P\left(B\right)=\frac{2}{5}$ and $P(A\cup B)=\frac{1}{2}$, then $P(A\cap \overline{B})=$

A card is drawn at random from a pack of 52 cards. Then the probability that it is a black jack is

A card is drawn from well shuffled pack of $52$ cards. Then the probability of drawing a spade or a king is