Question

Weekly wages of workers in a factory are as follows:
Weekly wages 325-350 350-375 375-400
No. of workers 0 45 75
400-425
425-450
60
40
Find the probability that a worker selected at random earns:
i) 400 or more
iii) 375 or more but less than 425
ii) At least 375

Answer 1

Step-by-step explanation:

convert to decimals.

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