Find the probability that the length of a randomly selected steel rod is between 101.1-cm and 103.5-cm.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The mean daily production of a herd of
cows is assumed to be normally distributed
with a mean of 36 liters, and standard
deviation of 8.3 liters.
A) What is the probability that daily
production is less than 35.4 liters?
Answer=
(Round
your answer to 4 decimal places.)
B) What is the probability that daily
production is more than 32.2 liters?
Answer=
(Round
your answer to 4 decimal places.)
Warning: Do not use the Z Normal
Tables...they may not be accurate enough
since WAMAP may look for more accuracy
than comes from the table.
Transcribed Image Text:The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 36 liters, and standard deviation of 8.3 liters. A) What is the probability that daily production is less than 35.4 liters? Answer= (Round your answer to 4 decimal places.) B) What is the probability that daily production is more than 32.2 liters? Answer= (Round your answer to 4 decimal places.) Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP may look for more accuracy than comes from the table.
A company produces steel rods. The lengths
of the steel rods are normally distributed
with a mean of 101.8-cm and a standard
deviation of 2.4-cm.
Find the probability that the length of a
randomly selected steel rod is between
101.1-cm and 103.5-cm.
P(101.1-cm < X < 103.5-cm) =
Enter your answer as a number accurate to
4 decimal places. Answers obtained using
exact z-scores or z-scores rounded to 3
decimal places are accepted.
Transcribed Image Text:A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 101.8-cm and a standard deviation of 2.4-cm. Find the probability that the length of a randomly selected steel rod is between 101.1-cm and 103.5-cm. P(101.1-cm < X < 103.5-cm) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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