Ten flights are chosen. Suppose the probability that at least 9 of them are ‘on-time’ is 0.80. Find the probability that a single flight chosen at random it is ‘on-time’. Hint: Use the formula to find P(x≥9).

Ten flights are chosen. Suppose the probability that at least 9 of them are ‘on-time’ is 0.80. Find the probability that a single flight chosen at random it is ‘on-time’. Hint: Use the formula to find P(x≥9).

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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