Answer this please it's important

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

Use the equation and type the ordered-pairs. y = 2 ^x