Q7 of 128 Page 13

A and B throw a pair of dice. If A throws 9, find B’s chance of throwing a higher number.

Sample space, n(S) = 36

let E be the number of events of getting sum higher than 9, then n(E) = 3

we know that,

What is the probability that an ordinary year has 53 Sundays?

What is the probability that a leap year has 53 Tuesdays and 53 Mondays?

Two unbiased dice are thrown. Find the probability that the total of the numbers on the dice is greater than 10.

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is

(i) a black king

(ii) either a black card or a king

(iii) black and a king

(iv) a jack, queen or a king

(v) neither a heart nor a king

(vi) spade or an ace

(vii) neither an ace nor a king

(viii) neither a red card nor a queen.

(ix) other than an ace

(x) a ten

(xi) a spade

(xii) a black card

(xiii) the seven of clubs

(xiv) jack

(xv) the ace of spades

(xvi) a queen

(xvii) a heart

(xviii) a red card

(xix) neither a king nor a queen