ProbabilityHard
Question
A license plate is 3 letters (of English alphabets) followed by 3 digits. If all possible license plates are equally likely, the probability that a plate has either a letter palindrome or a digit palindrome (or both), is -
Options
A.
B.
C.
D.none
Solution
Event (A) → Plate has letter is palindrome
Event (B) → Plate has digit is palindrome
P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
=
Event (B) → Plate has digit is palindrome
P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
=
Create a free account to view solution
View Solution FreeMore Probability Questions
A draws two cards with replacement from a well shuffled pack of cards and at the same time B throws a pair of dice. The ...A bag contains (n + 1) coins. It is known that one of these coins has a head on both sides, whereas the other coins are ...Three numbers are chosen at random without replacement from {1, 2, 3,......, 10}. The probability that the minimum of th...Two dice are thrown, the probability of getting sum as neither 7 nor 11, is-...A cube is thrown 6 times, then probability of getting the digits 2 and 4 exactly three times each is-...