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

Describe the following events A,B, and C in the random experiment of tossing three unbiased coins : A: event of getting two heads, B: event of getting three heads. C: event of getting atmost one head. Show that (i) B is a simple event while A and C are compound events, (ii) events A,B,C are mutually exclusive and exhaustive.

Describe the following events A,B, and C in the random experiment of tossing three unbiased coins : A: event of getting three tails B: event of getting one head and C: event of getting atmost one tail .

A balanced coin is tossed three times in succession. Let A denote the event of getting 'head' in the first toss and B the event of getting 'tail' in the second toss. Prove that the events A and B are independent.

answer any one question : 2.eight unbiased coins tossed . Find the probability of getting exactly five heads

What is a reversible reaction? What is rate of a reaction? Would you get the same result during heating of CaCO_3 separately in an open container and a closed container? Give reason.

Eight unbiased coins tossed simultaneously. Find the probability of getting exactly five heads and at least five heads.

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.

If three coins are tossed simultaneously then write their outcomes. a) All possible outcomes b) Number of possible outcomes c) Find the probability of getting at least one head (getting one or more than one head) d) Find the Probability of getting at most two heads (getting Two or less than two heads) e) Find the Probability of getting no tails