One of the most profitable items at Al's Auto Security Shop is the remote starting system. Let x

be the number of such systems installed on a given day at this shop. The following table lists the frequency distribution of x

for the past 80 days.

x 1 2 3 4 5

f 8 20 24 16 12

a.Construct a probability distribution table for the number of remote starting systems installed on a given day.

x p(x)

1

2

3

4

5

c.Find the following probabilities.

i. P(X=4)

P(x=4)=

ii) p(x4)

P(x4)=

iii) P (2X4 =

IV) P(x

I don't know what's missing