a. Given that a person applied to more than one school, what is the probability that the person is 24–26 years old? b. Given that a person is in the 36-and-over age group, what is the probability that the person applied to more than one school? c. What is the probability that a person is 24–26 years old or applied to more than one school? d. Suppose a person is known to have applied to only one school. What is the proba bility that the person is 31 or more years old? e. Is the number of schools applied to independent of age? Explain. Yes No 23 and under 207 201 24–26 299 379 Age Group 27–30 185 268 31–35 66 193 36 and over 51 169

a. Given that a person applied to more than one school, what is the probability that the person is 24–26 years old? b. Given that a person is in the 36-and-over age group, what is the probability that the person applied to more than one school? c. What is the probability that a person is 24–26 years old or applied to more than one school? d. Suppose a person is known to have applied to only one school. What is the proba bility that the person is 31 or more years old? e. Is the number of schools applied to independent of age? Explain. Yes No 23 and under 207 201 24–26 299 379 Age Group 27–30 185 268 31–35 66 193 36 and over 51 169

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

a. Given that a person applied to more than one school, what is the probability that the person is 24–26 years old?
b. Given that a person is in the 36-and-over age group, what is the probability that the person applied to more than one school?
c. What is the probability that a person is 24–26 years old or applied to more than one school?
d. Suppose a person is known to have applied to only one school. What is the proba bility that the person is 31 or more years old? e. Is the number of schools applied to independent of age? Explain.

		Yes	No
	23 and under	207	201
	24–26	299	379
Age Group	27–30	185	268
	31–35	66	193
	36 and over	51	169

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