Question

In a city, the weekly observations made on cost of living index are given below. One week is chosen at random.
Sumber of weeks
Cost of living index
140-150
5
150-160
160-170
170-180
180-190
190-200
N
Find the probability that chosen weeks has cost of living greater than 150 but less than 170.​

Answer 1

Answer:

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Answer 2

Answer:

so as we know the chosen weeks which has cost greater than 150 and less than 170 is 30

so the total is 52

30/52 = 15/26

so 15/26 is the correct answer

hope this helps