The IQs of students at an Elementary School were measured and found to be normally distributed with a mean of 100 and a standard deviation of 20. Round your answers to four decimal places, if necessary.
?
Find the probability that a student selected at random will have an IQ of 140 or higher.
?
__________
?
Find the probability that a student selected at random will have an IQ of 120 or higher.
?
__________
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Find the probability that a student selected at random will have an IQ of between 100 and 120.
?
__________
?
Find the probability that a student selected at random will have an IQ of 90 or less.
?
__________
What will be an ideal response?
0.0228; 0.1587; 0.3413; 0.3085
Mathematics
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A. Yes B. No
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Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
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Write the word name for the decimal.9.7
A. nine and seven thousandths B. nine and seven millionths C. nine and seven hundredths D. nine and seven tenths
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Find the reciprocal.2
A. The number 2 has no reciprocal.
B. 
C. -2
D. 
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