The king, the jack and the 10 of spades are lost from a pack of 52 cards and a card is drawn from the remaining cards after shuffling. Find the probability of getting a
(i) red card (ii) black jack
(iii) red king (iv) 10 of hearts.
Correct Answer - A
`(a)` Probability of disease is fatal `=p=10%`
`p=(10)/(100)=(1)/(10)`, `q=(9)/(10)`
Number of patients `=6`, Number of die cases `=3`
`:.` Probability that `3` will die
`="^(6)C_(3)((1)/(10))^(3)((9)/(10))^(3)=1458xx10^(-5)`