Question

A population of values has a normal distribution with
μ=113.2μ=113.2 and σ=67σ=67. You intend to draw a random sample of
size n=218n=218.

Find the probability that a single randomly selected value is
between 100 and 125.

*P*(100 < *X* < 125) =

Find the probability that a sample of size n=218n=218 is randomly
selected with a mean between 100 and 125.

*P*(100 < *M* < 125) =

Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact *z*-scores or *z*-scores rounded
to 3 decimal places are accepted.

A population of values has a normal distribution with
μ=113.2μ=113.2 and σ=67σ=67. You intend to draw a random sample of
size n=218n=218.

Find the probability that a single randomly selected value is
between 100 and 125.

*P*(100 < *X* < 125) =

Find the probability that a sample of size n=218n=218 is randomly
selected with a mean between 100 and 125.

*P*(100 < *M* < 125) =

Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact *z*-scores or *z*-scores rounded
to 3 decimal places are accepted.

Answer #1

A population of values has a normal distribution with μ=55.3 and
σ=14.9. You intend to draw a random sample of size n=97.
Find the probability that a single randomly selected value is
between 58.9 and 59.7.
P(58.9 < X < 59.7) = Incorrect
Find the probability that a sample of size n=97 is randomly
selected with a mean between 58.9 and 59.7.
P(58.9 < M < 59.7) = Incorrect
Enter your answers as numbers accurate to 4 decimal places. Answers...

A population of values has a normal distribution with μ=50 and
σ=98.2. You intend to draw a random sample of size n=13.
Find the probability that a single randomly selected value is
less than -1.7. P(X < -1.7) =
Find the probability that a sample of size n=13 is randomly
selected with a mean less than -1.7.
P(M < -1.7) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to...

A population of values has a normal distribution with
μ=116.7μ=116.7 and σ=73.3σ=73.3. You intend to draw a random sample
of size n=62n=62.
Find the probability that a single randomly selected value is
between 129.7 and 145.6.
P(129.7 < X < 145.6) =
Find the probability that a sample of size n=62n=62 is randomly
selected with a mean between 129.7 and 145.6.
P(129.7 < M < 145.6) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using...

A population of values has a normal distribution with μ=170μ=170
and σ=58σ=58. You intend to draw a random sample of size
n=129n=129.
Find the probability that a single randomly selected value is
between 156.7 and 157.2.
P(156.7 < X < 157.2) =
Find the probability that a sample of size n=129n=129 is
randomly selected with a mean between 156.7 and 157.2.
P(156.7 < M < 157.2) =
Enter your answers as numbers accurate to 4 decimal places.
Answers obtained using...

A population of values has a normal distribution with
μ=114.1μ=114.1 and σ=17σ=17. You intend to draw a random sample of
size n=123n=123.
Find the probability that a sample of size n=123n=123 is randomly
selected with a mean between 110.6 and 112.6.
P(110.6 < M < 112.6) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to 3 decimal places are accepted.

A population of values has a normal distribution with
μ=128.6μ=128.6 and σ=43.9σ=43.9. You intend to draw a random sample
of size n=119n=119.
Find the probability that a single randomly selected value is
between 116.5 and 123.4.
P(116.5 < X < 123.4) = Incorrect
Find the probability that a sample of size n=119n=119 is randomly
selected with a mean between 116.5 and 123.4.
P(116.5 < M < 123.4) = Incorrect
Enter your answers as numbers accurate to 4 decimal places. Answers...

A population of values has a normal distribution with μ=5.8μ=5.8
and σ=17σ=17. You intend to draw a random sample of size
n=225n=225.
Find the probability that a single randomly selected value is less
than 9.
P(X < 9) =
Find the probability that a sample of size n=225n=225 is randomly
selected with a mean less than 9.
P(M < 9) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to...

A population of values has a normal distribution with
μ=37.2μ=37.2 and σ=76.2σ=76.2. You intend to draw a random sample
of size n=21n=21.
Find the probability that a single randomly selected value is
greater than 27.2.
P(X > 27.2) =
Find the probability that a sample of size n=21n=21 is randomly
selected with a mean greater than 27.2.
P(M > 27.2) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to...

A population of values has a normal distribution with μ=240μ=240
and σ=77.2σ=77.2. You intend to draw a random sample of size
n=214n=214.
Find the probability that a single randomly selected value is
greater than 239.5.
P(X > 239.5) =
Find the probability that a sample of size n=214n=214 is randomly
selected with a mean greater than 239.5.
P(M > 239.5) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to...

A population of values has a normal distribution with
μ=180.3μ=180.3 and σ=46σ=46. You intend to draw a random sample of
size n=174n=174.
Find the probability that a sample of size n=174n=174 is randomly
selected with a mean less than 173.3.
P(M < 173.3) =
Enter your answers as numbers accurate to 4 decimal places. Answers
obtained using exact z-scores or z-scores rounded
to 3 decimal places are accepted.

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