A bag contains 26 tiles, each with a different letter of the alphabet written on it. You choose a tile without looking. What is the probability that you choose a vowel or a letter in the word GEOMETRY?
1 Answer
Sep 7, 2016
Count the number of different letters in geometry, then divide by 26.
Explanation:
Probability is the number of favorable outcomes divided by the total number of possible outcomes.
The word GEOMETRY has 7 different letters: G, E, O, M, T, R and Y.
So, there are 7 favorable outcomes when picking a letter.
There are a total of 26 possible outcomes, one for each letter of the alphabet.
The probability of picking one of those 7 from the 26 letters is
