Question

What are the variance (to 2 decimals) and standard deviation (to 4 decimals) for the number of these tweets with no reaction?

Answer 1

بمدحدبحببحبحب
بببلقل قل

Answer 2

What is the expected number of these tweets with no reaction?

There are 100 tweets (n = 100) each with a 71% chance of having no reaction