Question

Suppose a random sample of size 50 is selected from a population
with *σ* = 12.

Find the value of the standard error of the mean in each of the following cases. (Use the finite population correction factor if appropriate. Round your answers to two decimal places.)

(a) The population size is infinite.

(b) The population size is * N* = 50,000.

(c) The population size is * N* = 5,000.

(d) The population size is * N* = 500.

Answer #1

Suppose a random sample of size 60 is selected from a population
with = 12. Find the value of the standard error of the
mean in each of the following cases (use the finite population
correction factor if appropriate).
The population size is infinite (to 2 decimals).
The population size is N = 50,000 (to 2
decimals).
The population size is N = 5,000 (to 2 decimals).
The population size is N = 500 (to 2 decimals).

Suppose a random sample of size 45 is selected from a population
with sigma= 12. Find the value of the standard error of the mean in
each of the following cases (use the finite population correction
factor if appropriate). a. The population size is infinite (to 2
decimals). b. The population size is N = 50,000 (to 2 decimals). c.
The population size is N = 5000 (to 2 decimals). d. The population
size is N = 500 (to 2...

Suppose a random sample of size 49 is selected from a population
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of the mean in each of the following cases (use the finite
population correction factor if appropriate).
a. The population size is infinite (to 2
decimals).
b. The population size is N = 50,000 (to 2
decimals).
c. The population size is N = 5000 (to 2
decimals).
d. The population size is N = 500...

A random sample of size n = 52 is taken from a finite population
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Calculate the expected value and the standard error of the sample
mean.(Round “expected value” to a whole number and "standard error"
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useful to reference the z table.]
a-1. Is it necessary to apply the finite
population correction factor?
Yes
No
a-2. Calculate the expected value and the standard
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indicated by a minus sign. Round "standard error" to 2
decimal places.)...

A random sample of size n = 75 is taken from a
population of size N = 650 with a population proportion
p = 0.60.
Is it necessary to apply the finite population correction
factor? Yes or No?
Calculate the expected value and the standard error of the
sample proportion. (Round "expected value" to 2 decimal
places and "standard error" to 4 decimal places.)
What is the probability that the sample proportion is less than
0.50? (Round “z” value to...

A random sample of size n = 241 is taken from a
population of size N = 5,588 with mean μ = −68
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useful to reference the z table.]
a-1. Is it necessary to apply the finite
population correction factor?
Yes
No
a-2. Calculate the expected value and the standard
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indicated by a minus sign. Round "standard error" to 2
decimal places.)...

A random sample of size n = 101 is taken from a
population of size N = 2,719 with a population proportion
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the z table.]
a-1. Is it necessary to apply the finite
population correction factor?
Yes
No
a-2. Calculate the expected value and the
standard error of the sample proportion. (Round "expected
value" to 2 decimal places and "standard error" to 4 decimal
places.)
b. What is the...

15. Random samples of size 81 are taken from an infinite
population whose mean and standard deviation are 200 and 18,
respectively. The distribution of the population is unknown. The
mean and the standard error of the mean are (assuming infinite
population)
a. 200 and 18
b. 81 and 18
c. 9 and 2
d. 200 and 2
16. A population has a mean of 300 and a standard deviation of
18. A sample of 144 observations will be taken....

A random sample of n observations is selected from a
population with standard deviation σ = 1. Calculate the standard
error of the mean (SE) for these values of n. (Round your
answers to three decimal places.)
(a)
n = 1
SE =
(b)
n = 2
SE =
(c)
n = 4
SE =
(d)
n = 9
SE =
(e)
n = 16
SE =
(f)
n = 25
SE =
(g)
n = 100
SE =

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