engineering recuitment GATE CE 2023-24 Test Series Engineering Mathematics Probability and Statistics
The lengths of a large stock of titanium rods follow a normal distribution with a mean (μ) of 440 mm and a standard deviation (σ) of 1 mm. What is the percentage of rods whose lengths lie between 438 mm and 441 mm?
1
81.85%
2
68.4%
3
99.75%
4
86.64%