The flight crews of ABC 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 IQ score is: a. more than 115
The flight crews of ABC 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 IQ score is: a. more than 115
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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
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
more than P450
3. less than P550
2.
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 IQ score is:
a.
more than 115
b. lower than 135
bute gnitoslae lo vilidedong oir ant
c. between 125 and 130
d What should be the IQ of a person to be included in the top 5%? hoblano
who will C
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