An alphanumeric character is randomly selected from following sentence: "Patriotism is supporting your country all the time, and your government when it deserves it."
What is the probability that its letter I or K or T?
4/19
Total number of letters- 76 Letters: I- 7, K- 0, T- 9, in total 16 Probability = 16/76 = 4/19
An alphanumeric character is randomly selected from following sentence: "Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid." What is the probability that picked character is one of the following letters K or I or T or Y? Note : Alphanumeric character means alphabet or number. Space and other characters should be ignored.
Three numbers: i, j, and k are chosen randomly from the interval [-1, 1]. What is the probability that (i^2) + (j^2) + (k^2) < 1, and |i| + |j| + |k| > 1
