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In a study of families with children with disabilities

/in /by

. In a study of families with children with disabilities, group of 6 US households were
randomly selected. In the table below, the random variable x represents the number of

households among 6 that had a child with a disability living there.

x P (x)

0 0.02

1 0.15

2 0.29

3 0.31

4 0.11

5 0.12

a) Is this a probability distribution?

b) What is the mean?

c) What is the standard deviation?

PLEASE FULLY SHOW WORK AND HOW YOU OBTAINED THE ANSWER SO I CAN LEARN FROM THIS! THANK YOU SO MUCH!

 
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