Question 1

Complete the pdf

x P(X=x) xP(X=x)

0 0.3

1 0.4

2

3 0.2

I have the pdf completed it looks like this

x P(X=x) xP(X=x)

0 0.3 0

1 0.4 .4

2 0.1 .2

3 0.2 .6

• Part (a) Im having problems with this
• Find the expected value. I thought it was .1 but it's not and so I don't know what it could be
• ________-

Question 2

At The Fencing Center, 60% of the fencers use the foil as their main weapon. We randomly survey19fencers at The Fencing Center. We are interested in the numbers that donotuse the foil as their main weapon.

Part a

Find the probability thatelevendonotuse the foil as their main weapon. (Round your answer to four decimal places.)

I thought it was 0.9648 but its not Idk it might be a problem with rounding as its really finicky.