Is getting a head complementary to getting a tail? Give reasons.

In case of a die is getting a 1 complementary to events getting 2, 3, 4, 5, 6? Give reasons for your answer

A fair coin is tossed a fixed number of times. If the probability of getting seven heads is equal to that of getting nine heads, find the probability of getting exactly two heads.

Three fair coins are tossed together. Find the probability of getting ' all tails'.

Rahim removes all the hearts from the cards. What is the probability of i Getting an ace from the remaining pack. ii Getting a diamonds. iii Getting a card that is not a heart. iv. Getting the Ace of hearts.

Three fair coins are tossed together. Find the probaility of getting (i) all heads (ii) atleast one tail (iii) atmost one head (iv) atmost two tails

A coin is tossed 4 times i. Find the probability of getting exactly 3 heads ii. Find the probability of getting atleast 3 heads iii. Find the probaility of getting utmost 3 heads

Three coins are tossed together. Find the probability of getting exactly two heads.

Which of the following arguments are correct and which are not correct? Give reasons. i) If two coins are tossed simultaneously there are three possible outcomes - two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is 1/3 ii)If a die is thrown, there are two possible outcomes - an odd number or an even number. Therefore, the probability of getting an odd number is 1/2

Two coins are tossed together. What is the probaility of getting at most one head ?