The letters written on paper slips of the word MEDIAN are put in a bag. If one slip is drawn randomly, what is the probability that it bears the letter D?

When a spinner with three colours (Fig. 3.5) is rotated, which colour has more chance to show up with arrow than the others?

What is the probability that a student chosen at random out of 3 girls and 4 boys is a boy?

Classify the following events as certain to happen, impossible to happen, may or may not happen:

A. Getting a number less than 1 on throwing a die.

B. Getting head when a coin is tossed.

C. A team winning the match.

D. Christmas will be on 25 December.

E. Today moon will not revolve around the earth.

F. A ball thrown up in the air will fall down after some time.

A die was thrown 15 times and the outcomes recorded were

5, 3, 4, 1, 2, 6, 4, 2, 2, 3, 1, 5, 6, 1, 2

Find the mean, median and mode of the data.