5) Intelligence Quotients (IQs) measured on the Stanford Revision of the Binet-Simon Intelligence Scale are normally distributed with a mean of 100 and a standard deviation of 16. Circle your answer. a) What is the probability of selecting a person with an IQ of more than 130? P(x7130) PI*-U7 =PIZ71.875 I-PLZ41.875 E0.0304 130-100 16 b) What is the probability of selecting a person with an IQ between 85 and 120? P(85
5) Intelligence Quotients (IQs) measured on the Stanford Revision of the Binet-Simon Intelligence Scale are normally distributed with a mean of 100 and a standard deviation of 16. Circle your answer. a) What is the probability of selecting a person with an IQ of more than 130? P(x7130) PI*-U7 =PIZ71.875 I-PLZ41.875 E0.0304 130-100 16 b) What is the probability of selecting a person with an IQ between 85 and 120? P(85
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Transcribed Image Text:5) Intelligence Quotients (IQs) measured on the Stanford Revision of the Binet-Simon Intelligence Scale are
normally distributed with a mean of 100 and a standard deviation of 16. Circle your answer.
a) What is the probability of selecting a person with an lQ of more than 130?
P(x7130) PIX-7
EPIZ71.875
=I-PLZ41875
=0.0304
130-100
16
b) What is the probability of selecting a person with an IQ between 85 and 120?
P(85<x<120) = Pr 85-100
=PI-0.9375L7225
=PizZI.25)- PIZL-0)
=0.7201
16
16
c) What is the probability of selecting a person with an IQ less than 80?
X-U
16
=PIZL-1.25
=P(Z4-1.25
F0.1056
d) What is the probability of selecting a person with an IQ greater than 96?
e) What IQ cuts off the top 10% of all IQs?
f) What two IQs cut off the middle 70%?
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