The average weekly food expenditure of a group of families has a normal distribution with mean ₹ 1,800 and standard deviation ₹ 300. What is the…
CA Foundation · Quantitative Aptitude · MTP · September 2024
The average weekly food expenditure of a group of families has a normal distribution with mean ₹ 1,800 and standard deviation ₹ 300. What is the probability that out of 5 families belonging to this group, at least one family has weekly food expenditure in excess of ₹ 2,100? Given f (1) = 0.84.
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 0.582
Topics: Part-C: Statistics
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