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Probability

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Use of TI - 83 plus calculator is permitted given that steps are provided.

1. An MBA new-matriculates survey provided the following data for 2018 students.

Applied to more than one school
Yes No

23 and under 207 201
24 - 26 299 379
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 probability that the person is 31 or more years old?

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