wages are approximately normally distributed and paid e: 2 dp = 2 decimal places) /hat percentage of Ahmad receive wages between RMI sive? he z values corresponding to X = 12.25 is he z values corresponding to X = 16.75 is ercentage = % (1 dp) he highest 5% of the hourly wages is greater than what (z = ?) = 1- (2 dp)

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...
icon
Related questions
icon
Concept explainers
Topic Video
Question
Ahmad does a part-time job as a cashier at JayaGrocery since last year. He
obtained an average wage of RM15.90 an hour with a standard deviation of RM1.50. If
the wages are approximately normally distributed and paid to the nearest cent.
(Note: 2 dp = 2 decimal places)
(a) What percentage of Ahmad receive wages between RM12.25 and RM16.75 an hour
inclusive?
The z values corresponding to X = 12.25 is
(2 dp)
The z values corresponding to X = 16.75 is
(2 dp)
Percentage
% (1 dp)
(b) The highest 5% of the hourly wages is
eater than what amount?
P(Z = ?) =
(2 dp)
1-
(2 dp)
=
X =
(2 dp)
Transcribed Image Text:Ahmad does a part-time job as a cashier at JayaGrocery since last year. He obtained an average wage of RM15.90 an hour with a standard deviation of RM1.50. If the wages are approximately normally distributed and paid to the nearest cent. (Note: 2 dp = 2 decimal places) (a) What percentage of Ahmad receive wages between RM12.25 and RM16.75 an hour inclusive? The z values corresponding to X = 12.25 is (2 dp) The z values corresponding to X = 16.75 is (2 dp) Percentage % (1 dp) (b) The highest 5% of the hourly wages is eater than what amount? P(Z = ?) = (2 dp) 1- (2 dp) = X = (2 dp)
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON