Given : Two cards are drawn with replacement from a well-shuffled deck of 52 cards.
To find : mean (μ) and variance (σ2) of X
Formula used :
Two cards are drawn with replacement from a well-shuffled deck of 52 cards.
Let X denote the number of ace cards drawn
There are 4 face cards present in 52 cards
X can take the value of 0,1, 2.
The probability distribution table is as follows,