Question

NO LINKS - PLEASE!

Create a probability distribution table from this frequency table. Round probabilities to the nearest hundredth.

Hours: 0,1,2,3,4,5,6,7
Frequency: 1,7,13,6,8,5,3,2

b) What is P(x≥4)?
c) what is P(x<3)?

I have to create a probability distribution table:
X --------
P(x) --------------

Answer 1

b. 2/15

c. 7/15

Explanation:

total frequency = 45

X 0 1 2 3 4 5 6 7

P(x) 1/45 7/45 2/45 1/15 4/45 1/9 2/15 7/45

b. P(≥4) = 18/45 = 2/5

c. P(<3) = 21/45 = 7/15