## Question: A) Let A be the set of all strings of decimal digits of length 5. For example 00312 and 19483 are…

a) Let A be the set of all strings of decimal digits of length 5. For example 00312 and 19483 are two strings in A. You pick a string from A at random. What is the probability that the string has no 4 in it? b) Three distinct numbers between 10 and 25 (inclusive) are …