The number of re-tweets of your Twitter tweets over the last ten days is shown below.If you define a random variable that counts the number of daily re-tweets during this 10-day period, which set of probabilities would be used to form the probability distribution for this random variable? 3, 1, 1, 0, 1, 1, 2, 2, 0, 2.
A).1, .3, .5, .1
B).3, .4, .3, .1
C).2, .1, .5, .2
D).2, .4, .3, .1
E).2, .2, .4, .2

Question

Quizplus · Accepted Answer

The probabilities are calculated based on the frequency of each number of re-tweets: 0 re-tweets (2 times), 1 re-tweet (4 times), 2 re-tweets (3 times), and 3 re-tweets (1 time). The probabilities are 0.2, 0.4, 0.3, and 0.1 respectively.

The Number of Re-Tweets of Your Twitter Tweets Over the Last