SHOW ALL YOUR WORK USING FORMULAS & SKETCHING/SHADING AREA UNDER DISTRIBUTION CURVE! 1) The average time a subscriber spends reading the Wall Street Journal is 49 minutes. Assume the standard deviation is 16 minutes and the distribution is normal. a) What is the probability a subscriber will spend at most 1 hour reading the Journal? i. Convert 1 hour to a standard normal Z-score. ii. Sketch the normal curve and shade the area underneath that represents the probability a subscriber will spend at most 1 hour reading the Journal. iii. Use a normal probability table and symmetry of the Normal distribution curve to find correct probability. b) What is the probability a subscriber will spend more than 30 minutes reading the Journal? (Show work following the same steps as in part a.)
SHOW ALL YOUR WORK USING FORMULAS & SKETCHING/SHADING AREA UNDER DISTRIBUTION CURVE! 1) The average time a subscriber spends reading the Wall Street Journal is 49 minutes. Assume the standard deviation is 16 minutes and the distribution is normal. a) What is the probability a subscriber will spend at most 1 hour reading the Journal? i. Convert 1 hour to a standard normal Z-score. ii. Sketch the normal curve and shade the area underneath that represents the probability a subscriber will spend at most 1 hour reading the Journal. iii. Use a normal probability table and symmetry of the Normal distribution curve to find correct probability. b) What is the probability a subscriber will spend more than 30 minutes reading the Journal? (Show work following the same steps as in part a.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:SHOW ALL YOUR WORK USING FORMULAS & SKETCHING/SHADING AREA UNDER
DISTRIBUTION CURVE!
1) The average time a subscriber spends reading the Wall Street Journal is 49 minutes. Assume the
standard deviation is 16 minutes and the distribution is normal.
a) What is the probability a subscriber will spend at most 1 hour reading the Journal?
i. Convert 1 hour to a standard normal Z-score.
ii. Sketch the normal curve and shade the area underneath that represents the probability
a subscriber will spend at most 1 hour reading the Journal.
iii. Use a normal probability table and symmetry of the Normal distribution curve to
find correct probability.
b) What is the probability a subscriber will spend more than 30 minutes reading the Journal?
(Show work following the same steps as in part a.)
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