Probability of sure event is

A random sample of 1,000 men was selected and each individual was asked to indicate his age and his favorite sport. The results were as follows.

If a respondent is selected at random, what is the probability that

(i) he prefers Volleyball (ii) he is between 20 - 29 years old

(iii) he is between 20 and 29 years old and prefers Basketball

(iv) he doesn’t prefer Hockey (v) he is at most 49 of age and prefers Football.

On one Sunday Muhil observed the vehicles at a Tollgate in the NH-45 for his science project about air pollution from 7 am. to 7 pm. The number of vehicles crossed are tabulated below.

A vehicle is selected at random. Find the probability that the vehicle chosen is a

(i) a bus at the time interval 7 a.m. to 11 a.m.

(ii) a car at the time interval 11 a.m. to 7 p.m.

(iii) a bus at the time interval 7 a.m. to 3 p.m.

(iv) a car at the time interval 7 a.m. to 7 p. m.

(v) not a two wheeler at the time interval 7 a.m. to 7 p.m.

Which one can represent a probability of an event

Probability of impossible event is