3a) Luis is applying for admission to a University. He must complete a written application, and then be interviewed by the admission committee. The probability of being approved on the written application is 0.60. The probability of being approved by the interview committee given the candidate was approved on the written application is 0.70. What is the probability Luis is approved on both the written application and the interview? P(A and B) = 3b) Professor Wan is preparing students for the entrance test at Bronx Community College. Records show that 75% of the students need work in math, 60% need work in English, and 50% heed work in both areas. What is the probability that a student selected at random needs math or need English? P(ADRB) =

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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3a) Luis is applying for admission to a University. He must complete a written application, and
then be interviewed by the admission committee. The probability of being approved on the
written application is 0.60. The probability of being approved by the interview committee given
the candidate was approved on the written application is 0.70. What is the probability Luis is
approved on both the written application and the interview?
P(A and B)
3b) Professor Wan is preparing students for the entrance test at Bronx Community College.
Records show that 75% of the students need work in math, 60% need work in English, and 50%
heed work in both areas. What is the probability that a student selected at random needs math
or need English?
P(A DRB)=
Transcribed Image Text:3a) Luis is applying for admission to a University. He must complete a written application, and then be interviewed by the admission committee. The probability of being approved on the written application is 0.60. The probability of being approved by the interview committee given the candidate was approved on the written application is 0.70. What is the probability Luis is approved on both the written application and the interview? P(A and B) 3b) Professor Wan is preparing students for the entrance test at Bronx Community College. Records show that 75% of the students need work in math, 60% need work in English, and 50% heed work in both areas. What is the probability that a student selected at random needs math or need English? P(A DRB)=
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