S K Gupta and Anubhuti Gangal Solutions for Chapter: Probability, Exercise 1: Exercise 25

In a scrambled game, there are small tiles with letters on them that are used to form words. The adjoining table shows the number of tiles for each letter. What is the probability of Selecting $O$ from the full set?

In a scrabble game, there are small tiles with letters on them that are used to form words. The adjoining table shows the number of tiles for each letter. What is the probability of selecting Consonents from the full set?

In a scrabble game, there are small tiles with letters on them that are used to form words. The adjoining table shows the number of tiles for each letter. What is the probability of selecting $A, M\text{ or} J$ from the full set?

In a scrabble game, there are small tiles with letters on them that are used to form words. The adjoining table shows the number of tiles for each letter. What is the probability of selecting vowel from the full set?

A survey of $500$ families shows the following results:

Out of those, one is chosen at random. Find the probability that the chosen family has $2$girls. 

Use the spinner. Which value shows the probability of spinning the letter $A?$

A bag holds $26$ tiles, each marked with a different letter. What is the probability that one tile chosen at random is not a vowel?

Ankit bought $2$ packs of red pens $1$ pack of blue pens, and $3$ packs of black pens. The red pen packs have $4$ pens each. The blue pen packs and the black pen packs have $3$ pens each. He places all his pens in a pen holder. What is ankit’s probability of picking a red pen from the pen holder.