Consider the following discrete probability distribution:

X

-4.5

-3.5

-2.5Consider the following discrete probability distribution:

X	-4.5	-3.5	-2.5	-1.5
P(X)	2 C	5 C	1 C	2 C

(a) Find C.

b) What is P(X=2.5)PX=2.5?

c) What is the standard deviation of X?

Round your response toat least 3 decimal places.

-1.5

P(X)

2 C

5 C

1 C

2 C

(a) Find C.

b) What is P(X=2.5)PX=2.5?

c) What is the standard deviation of X?

Round your response toat least 3 decimal places.