1. Let's put this rule to practice. One of the many things in life which is Normally distributed are IQ scores. In parti

Post by **answerhappygod** » Mon Apr 11, 2022 6:21 am

: 1 Let S Put This Rule To Practice One Of The Many Things In Life Which Is Normally Distributed Are Iq Scores In Parti 1 (168.03 KiB) Viewed 15 times

a)The sketch of a Normal density curve has been included below.
Label the points which are 1, 2, and 3 standard deviations from the
mean along the horizontal axis.
b)What percent of adults have an IQ greater than 100?
c)What is the probability that a randomly selected adult has an
IQ over 115?
d)What proportion of adults have an IQ between 85 and 130?
1. Let's put this rule to practice. One of the many things in life which is Normally distributed are IQ scores. In particular, the Weschler IQ intelligence scale states that the distribution of adult IQ scores follow a roughly Normal distribution with a mean of 100 points and a standard deviation of 15 points. In proper notation, we will be using N( 100, 15).