Adults hase IQ scores that are normally distributed with a mean of 100 and a standard deviation of 10. Find selected adult has an IQ that is greater than 120 (Given that P(z<2)-0.9772) 917 Conversion formula, z= Formulae Sheet STAT-101-1 P(x) = ce Minimum "usual" value =i-2s n! (n-x)lxt p* q"-x Maximum "usual" value =i+ 2s %3D Variance = npq n-1 peatdcf917

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A cdn.student.uae.examus.net/?ridbqn=D1&sessi...
Choose the correct answer for the following question:
Adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 10. Find the probability that a randomly
selected adult has an IQ that is greater than 120 (Given that P(z<2)= 0.9772)
2dcf91)
917
Conversion formula, z =
def91
Formulae Sheet STAT-101-1
Minimum "usual" value =i-2s
ces
P(x)
n!
%D
(n-x)lx! P*q"-x
Maximum “usual" value = x + 2s
%3D
Midrange =
min value+max value
%3D
ce
Relative Frequency
||
%3D
a.
0.9772
||
Variance
n-1
Frequency of the class
= npq
%3D
Total Frequency
b.
Ε-ΣΧΡ(x);
0.3174
pe362acf917
ceatdcf917
E=np
%3D
362dcf9
d. 0.0228
C.
0.2015
ce362dcf917
ce362dcf917
MacBook Pro
ce362dcf917
血
Transcribed Image Text:Examus A cdn.student.uae.examus.net/?ridbqn=D1&sessi... Choose the correct answer for the following question: Adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 10. Find the probability that a randomly selected adult has an IQ that is greater than 120 (Given that P(z<2)= 0.9772) 2dcf91) 917 Conversion formula, z = def91 Formulae Sheet STAT-101-1 Minimum "usual" value =i-2s ces P(x) n! %D (n-x)lx! P*q"-x Maximum “usual" value = x + 2s %3D Midrange = min value+max value %3D ce Relative Frequency || %3D a. 0.9772 || Variance n-1 Frequency of the class = npq %3D Total Frequency b. Ε-ΣΧΡ(x); 0.3174 pe362acf917 ceatdcf917 E=np %3D 362dcf9 d. 0.0228 C. 0.2015 ce362dcf917 ce362dcf917 MacBook Pro ce362dcf917 血
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