A letter is chosen at random from the word "STATISTICS".
MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability
Problem
A letter is chosen at random from the word "STATISTICS".
(i) Find the probability of selecting the letter "S".
(ii) Find the probability of selecting a consonant.
(iii) Consider the event G: "selecting a letter from the word \"STATISTICS\"". State whether G is certain, impossible, or neither, and give its probability.
(iv) Using your answers to parts (i) and (ii), verify that the sum of the probabilities of the events "selecting a vowel" and "selecting a consonant" equals 1.