contestada

An insurance office records the number of claims received each day, X, and built the probability distribution table below using the data collected. Find the mean and the standard deviation of the probability distribution using Excel. Round the mean and standard deviation to two decimal places.

Respuesta :

The mean of the data given is 13.4364 and.the standard deviation is 1.788.

How to illustrate the information?

It should be noted that the mean is the average of the giving set of numbers. In this situation, the mean is 3.1998.

E(X²) will be:

= (0² × 0.0408) + (1² × 0.1304) .... + (12² × 0.0001)

= 13.4364

Var(X) = 13.4364 - 3.1998²

= 3.198

The standard deviation will be:

= ✓3.198

= 1.788

Learn more about mean on:

brainly.com/question/1136789

#SPJ1

Ver imagen topeadeniran2

Otras preguntas