Question

A normal population has a mean u=33 and standard deviation o=9

What is the proportion population between 13 and 23?

What is the probability that a randomly chosen value will be between 27 and 37?

Round at least 4 places

Answer #1

A normal population has a mean u=33 and standard deviation o=9
What is the proportion population between 13 and 23? What is the
probability that a randomly chosen value will be between 27 and 37?
Round at least 4 places

A normal population has mean μ =40 and standard deviation σ
=9.
(a) What proportion of the population is between 20 and 30?
(b) What is the probability that a randomly chosen value will be
between 35 and 45?
Round the answers to at least four decimal places.

A normal population has mean μ=40 and standard deviation σ
=9.
(a) What proportion of the population is between 20 and 30 ?
(b) What is the probability that a randomly chosen value will be
between 35 and 45?
Round the answers to at least four decimal places

A normal population has mean μ= 34 and standard deviation σ=
10.
(a) What proportion of the population is between 10 and 20?
(b) What is the probability that a randomly chosen value will be
between 28 and 38?
Round the answers to at least four decimal places

A normal population has mean μ = 31 and standard deviation σ =
6. (a) What proportion of the population is between 19 and 28? (b)
What is the probability that a randomly chosen value will be
between 26 and 36? Round the answers to at least four decimal
places. Part 1 of 2 The proportion of the population between 19 and
28 is . Part 2 of 2 the probability that a randomly chosen value
will be between 26...

normal population has mean =μ10 and standard deviation =σ7. (a)
What proportion of the population is less than 18? (b) What is the
probability that a randomly chosen value will be greater than 3?
Round the answers to four decimal places. Part 1 of 2 The
proportion of the population less than 18 is . Part 2 of 2 The
probability that a randomly chosen value will be greater than 3 is
.

A normal population has mean =μ9 and standard deviation =σ5.
(a) What proportion of the population is less than 20?
(b) What is the probability that a randomly chosen value will be
greater than 5?
Round the answers to four decimal places.

A normal population has mean μ 30 = 31 and standard deviation σ=
7
(a) What proportion of the population is between 15 and 25?
(b) What is the probability that a randomly chosen value will be
between 25 and 35?
Round the answers to at least four decimal places.

A normal population has mean μ = 9 and standard
deviation σ = 6.
a.
What proportion of the population is less than 20?
b.
What is the probability that a randomly chosen value will be
greater than 5?

A normal population has a mean of 21 and a standard deviation of
3.
a. Compute the z value associated with 27.
(Round your answer to 2 decimal places.)
b. What proportion of the population is between 21 and 27?
(Round z-score computation to 2 decimal places and
your final answer to 4 decimal places.)

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