Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Shaded area 106-122
Solution :
Given that,
mean = = 100
standard deviation = = 15
P (106 < x < 122 )
P ( 106 - 100 / 15 ) < ( x - / ) < ( 122 - 100 / 15)
P ( 6 /15 < z < 22 / 15 )
P (0.4 < z < 1.47 )
P ( z < 1.47 ) - P ( z < 0.4)
Using z table
= 0.9292 - 0.6554
= 0.2738
Shaded area = 0.2738
Find the area of the shaded region. The graph to the right depicts IQ scores of...
Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Shaded area is 108 to 122
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Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Shaded Area 90 to 120.
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