A coin is tossed. Find the total number of elementary events and also the total number events associated with the random experiment.

A coin is tossed n times. The number of all possible events is

What is the total number of elementary events associated to the random experiment off throwing three dice together?

The total number of orbitals associated with the principal quantum number 5 is :

Total number of orbitals associated with thrid shell will be.....

Total number of orbitals associated with third shell will be.....

what is the total number of orbitals associated with the principal quartum number n= 3?

Find the mean number of heads in three tosses of a fair coin.

Find the mean number of heads in three tosses of a fair coin.

Find the expectation of the number of heads in 15 tosses of a coin.

Fill in the blanks: (i) Probability of a sure event is .......... (ii) Probability of an impossible event is ........... (iii) The probability of an event (other than sure and impossible event) lies between ........ (iv) Every elementary event associated to a random experiment has ....... probability. (v) Probability of an event A+ Probability of event ' not\ A ' =......... (vi) Sum of the probabilities of each outcome in an experiment is ........