Math Problem Statement
An airline operate from Melbourne to japan. the flight time, in hours, of each of these flights is a normally distributed random variable T with a mean of 11 hours and a standard deviation of 0.73 hours. Assume that the flight times are independent of one another. A)what proportion of flights have a flight time greater than 11.5 hours? give answer to 4 decimal places
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Probability
Normal Distribution
Formulas
Standardization formula: Z = (T - μ) / σ
Probability: P(Z > z) = 1 - P(Z ≤ z)
Theorems
Properties of the Normal Distribution
Cumulative Distribution Function (CDF)
Suitable Grade Level
Grades 11-12
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