Answered: Find the probability that he will…

Find the probability that he will arrive on time at school. b. If he arrived on time at school today, what is the probability that he caught the 7am bus?

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

100%

Dave catches a bus to school. If he catches the 7am bus, then he will arrive at school
on time with probability 0.95. If he misses the 7am bus, then he will arrive on time at
school with probability 0.1. Suppose the probability of him catching the 7am bus is
0.8.
a. Find the probability that he will arrive on time at school.
b. If he arrived on time at school today, what is the probability that he caught the
7am bus?

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