If $P(A) : P(\bar{A}) = 5 : 3$,then $P(\bar{A}) = $ ........

$A$ card is drawn at random from a well-shuffled pack of $52$ cards. The probability of that card being a picture card is ...........

$A$ lot consists of $48$ mobile phones of which $42$ are good,$3$ have only minor defects,and $3$ have major defects. Varnika will buy a phone if it is good,but the trader will only buy a mobile if it has no major defect. One phone is selected at random from the lot. What is the probability that it is
$(i)$ acceptable to Varnika?
$(ii)$ acceptable to the trader?

In a carton of $20$ bulbs,$4$ bulbs are defective. Find the probability that a bulb selected at random is non-defective.

The probability of the month of August in any year having $5$ Mondays is ..........

If $I$ toss a coin $3$ times and get a head each time,should $I$ expect a tail to have a higher chance in the $4^{th}$ toss? Give a reason in support of your answer.