Question

The mean value of land and buildings per acre from a sample of farms is $1700 with a standard deviation of $200 The data set has a bell-shaped distribution. Assume the number of farms in the sample is 76 (a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between $1300 and $2100 _____ farms (Round to the nearest whole number as needed.) (b) If 22 additional farms were sampled, about how many of these additional farms would you expect to have land and building values between $1300 per acre and $2100 ____ farms out of 22 (Round to the nearest whole number as needed.)

Answer #1

Let X denote the value of land and buildings per acre. Then

a)

Using the empirical rule, we know that 95% observations lie between and .

So, number of farms whose land and building values per acre are
between $1300 and $2100 would be 0.95(76) =
72.2~**72**

b)

Similarly,

Number of additional farms whose land and building values per
acre are between $1300 and $2100 would be 0.95(22) =
20.9~**21**

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The data set has a bell-shaped distribution. Assume the number
of farms in the sample is 77.
(a) Use the empirical rule to estimate the number of farms
whose land and building values per acre are between
$1400 and $2000.
_______ farms (Round to the nearest whole number as
needed.)
(b) If 22 additional farms were sampled, about...

The mwan value of land and buildings per acre from a sample of
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a bell-shaped distribution. Assume the number of farms in the
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A. Use the empirical rule to estimate the number of farms whose
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# of farms? (Round to the nearest whole number as needed)

The mean value of land and buildings per acre from a sample of
farms is
$1700
with a standard deviation of
$100
The data set has a bell-shaped distribution. Assume the number
of farms in the sample is
78
(a) Use the empirical rule to estimate the number of farms
whose land and building values per acre are between
$1500
and
$1900
nothing
farms (Round to the nearest whole number as needed.) (b)
If
21
additional farms were sampled, about...

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has a? bell-shaped distribution. Assume the number of farms in the
sample is 76. ?(a) Use the empirical rule to estimate the number of
farms whose land and building values per acre are between ?$1300
and ?$1900. ____ farms ?(Round to the nearest whole number as?
needed.) ?(b) If 20 additional farms were? sampled, about...

The mean value of land and buildings per acre from a sample of
farms is $1300 , with a standard deviation of $200 . The data
set has a bell-shaped distribution. Assume the number of farms in
the sample is 72 . (a) Use the empirical rule to estimate the
number of farms whose land and building values per acre are between
$1100 and $1500 . 49 farms (Round to the nearest whole number
as needed.) (b) If 24 additional...

The mean value of land and buildings per acre from a sample of
farms is $1700
with a standard deviation of $300
The data set has a bell-shaped distribution. Assume the number
of farms in the sample is 72.
a)Use the empirical rule to estimate the number of farms whose
land and building values per acre are between
$1400 and $2000.
b)If 29 additional farms were sampled, about how many of these
additional farms would you expect to have land...

The mean value of land and buildings per acre from a sample of
farms is $1400, with a standard deviation of $200. The data set
has a bell-shaped distribution. Assume the number of farms in the
sample is 77. (a) Use the empirical rule to estimate the number of
farms whose land and building values per acre are between $1000
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The mean value of land and buildings per acre from a sample of
farms is $1300, with a standard deviation of $100. The data set
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farms whose land and building values per acre are between $1100
and $1500. If 23 additional farms were sampled, about how many of
these additional farms would you expect to have...

The mean value of land and buildings per acre from a sample of
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has a bell-shaped distribution. Assume the number of farms in the
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farms whose land and building values per acre are between $1300 and
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has a bell-shaped distribution. Assume the number of farms in the
sample is 71.
(a) Use the empirical rule to estimate the number of farms
whose land and building values per acre are between $1300 and
$1700.

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