ALL ABOUT STATS

Il. Construct the probability distribution for each of the following then compute for the mean, variance and standard deviation. (5 points each) 1. Fifteen words are written on small strips of paper and placed in a bowl. There are three words with three letters, two words with five letters, four words with six letters, two words with seven letters and one word with ten letters. A strip is randomly selected from the bowl. Let the random variable X be the number of letters in the word written on the selected chip. 2. A green die and a red die are rolled simultaneously. Define the random variable X to be the product of the outcomes on the two dice