Question
In: Statistics and Probability
Part 1. The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean...
Part 1. The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 17.
According to the standard deviation rule, only % of people have an IQ over 117.
Part 2.
The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 15.
According to the standard deviation rule, % of people have an IQ between 70 and 130.
Solutions
orchestra answered 1 year agoRelated Solutions
What is the Intelligence Quotient (IQ)?
What is the Intelligence Quotient (IQ)? How do psychologists classify people on the basis of their scores.
The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a...
The Intelligence Quotient (IQ) test scores are normally
distributed with a mean of 100 and a standard deviation of 15.
What is the probability that a person would score 130 or more on
the test?
A..0200
B..0500
C..0228
D..0250
What is the probability that a person would score between 85 and
115?
A..6826
B..6800
C..3413
D..6587
Suppose that you enrolled in a class of 36 students, what is the
probability that the class’ average IQ exceeds 130?
A.
almost zero...
The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a...
The Intelligence Quotient (IQ) test scores are normally
distributed with a mean of 100 and a standard deviation of
15. What is the probability that a person score would be
grater than 140?
The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a...
The Intelligence Quotient (IQ) test scores are normally
distributed with a mean of 100 and a standard deviation of 15 What
is the probability that a person would score between 85 and
115?
The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a...
The Intelligence Quotient (IQ) test scores are normally
distributed with a mean of 100 and a standard deviation of
15. Given a class with 12 students, what is the
probability that the class' average IQ score is less than
115?
Intelligence quotient (IQ) scores are often reported to be normally distributed with a mean of 100...
Intelligence quotient (IQ) scores are often reported to be
normally distributed with a mean of 100 and a standard deviation of
15. What is the probability of a random person selected
from this population having an IQ score of less
than 95?
Intelligence Quotient (IQ) scores are normally distributed with a mean of 100 and a standard deviation...
Intelligence Quotient (IQ) scores are normally distributed with
a mean of 100 and a standard deviation of 15. If 9 people are
randomly selected, what is the probability they will have a mean
IQ score between 105 and 110
The Intelligence Quotient (IQ) test scores for adults are normally distributed with a population mean of...
The Intelligence Quotient (IQ) test scores for adults are
normally distributed with a population mean of 100 and a population
standard deviation of 25. What is the probability we could select a
sample of 25 adults and find the mean of the sample is more than
110?
An intelligence quotient, or IQ, is a measurement of intelligence derived from a standardized test such...
An intelligence quotient, or IQ, is a measurement of
intelligence derived from a standardized test such as the Stanford
Binet IQ test. Scores on the test are normally distribution with a
mean score of 100 and a standard deviation of 15.
a. Draw 1000 samples of size n=9 from the distribution of IQ.
Calculate the sample mean of all 1000 samples.
b. Draw the histogram for all sample means in (a). What is the
shape of the sample means?
c....
For the shape of the distribution of the sample proportion to be approximately? normal, it is required that
Fill in the blanks to complete the following statements.Bold left parenthesis a right
parenthesis(a)For the shape of the distribution
of the sample proportion to be approximately? normal, it is
required that?np(1minus??p)greater than or equals??______.Bold left parenthesis b right
parenthesis(b)Suppose the proportion of a
population that has a certain characteristic is0.9The mean of the sampling distribution ofModifyingAbove p with caretpfrom this population ismu Subscript ModifyingAbove p with caret?pequals=?______.?(This is a reading assessment question. Be certain of your
answer because you only...
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