The probability of the month of February of a non-leap year having $5$ Wednesdays is ...... .

Which of the following cannot be the probability of an event?

Two customers,Shyam and Ekta,are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on
$(i)$ the same day?
$(ii)$ consecutive days?
$(iii)$ different days?

An unbiased coin is tossed thrice. Then,the number of total outcomes is ............

In a family having three children,there may be no girl,one girl,two girls,or three girls. So,the probability of each is $\frac{1}{4}$. Is this correct? Justify your answer.

The probability of a leap year having $53$ Wednesdays is ...........