Employees were asked how many times per week they exercised. The frequency table shows the results of the survey.

Number of times exercised per week 0 1 2 3 4 5 6 7 8

Frequency 5 10 2 9 33 12 15 3 1

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

Find:

(b) P (x < 4)

(c) P (x = 6)

(d) P (x ≥ 5)