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1. from P400 to P500 2. more than P450 3. less than P550 e125

1. from P400 to P500 2. more than P450 3. less than P550 e125

A First Course in Probability (10th Edition)
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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pls answer 5a,5b,5c

The flight crews of ABC Airline Company have a mean hourly wage of P480 with a standard deviation of P50. If a crew member is selected at random, what is the probability that the crew member earns: 1. from P400 to P500 2. more than P450 3. less than P550 4. at most P425 5. A personnel manager claims to have just hired someone with an IQ that belongs to the top 5% of all recent business school graduates. The relevant distribution of IQ's is known to be normal, with a mean of 120 points and a standard deviation of 10 points. If a graduate is chosen at random, what is the probability that his lQ score is: a. more than 115 b. lower than 135 b lee lo pilidedong edr and gnitas C. between 125 and 130 who d. What should be the IQ of a person to be included in the top 5%?
Transcribed Image Text:The flight crews of ABC Airline Company have a mean hourly wage of P480 with a standard deviation of P50. If a crew member is selected at random, what is the probability that the crew member earns: 1. from P400 to P500 2. more than P450 3. less than P550 4. at most P425 5. A personnel manager claims to have just hired someone with an IQ that belongs to the top 5% of all recent business school graduates. The relevant distribution of IQ's is known to be normal, with a mean of 120 points and a standard deviation of 10 points. If a graduate is chosen at random, what is the probability that his lQ score is: a. more than 115 b. lower than 135 b lee lo pilidedong edr and gnitas C. between 125 and 130 who d. What should be the IQ of a person to be included in the top 5%?
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