Case Study - 3 (continued)

Refer to the survey data in Q38.

(ii)(b) Find the probability that the school chosen at random has no more than 20 computers.

Question

Case Study - 3 (continued)

Refer to the survey data in Q38.

(ii)(b) Find the probability that the school chosen at random has no more than 20 computers.

Accepted Answer

Step 1: No more than 20 computers $= 250 + 200 = 450$
Step 2: Required probability $= \frac{450}{1000} = 0.45$

Question