Question

You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. Your would like to be 99% confident that you estimate is within 0.1% of the true population proportion. How large of a sample size is required?

*n* =

Do not round mid-calculation. However, use a critical value accurate to three decimal places

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p∗=82%p∗=82%. You would like to be 99.5% confident
that your estimate is within 1.5% of the true population
proportion. How large of a sample size is required?

*n* =

Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

Answer #1

You want to obtain a sample to estimate a population proportion.
At this point in time, you have no reasonable estimate for the
population proportion. You would like to be 99.5% confident that
you esimate is within 5% of the true population proportion. How
large of a sample size is required? n = Do not round
mid-calculation. However, use a critical value accurate to three
decimal places.

You want to obtain a sample to estimate a population proportion.
At this point in time, you have no reasonable estimate for the
population proportion. Your would like to be 99.9% confident that
you estimate is within 1.5% of the true population proportion. How
large of a sample size is required?
n = __________________________
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p*=39%
. You would like to be 99.5% confident that you estimate is
within 2% of the true population proportion. How large of a sample
size is required?
n =
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
At this point in time, you have no reasonable estimate for the
population proportion. You would like to be 99.9% confident that
you esimate is within 1% of the true population proportion. How
large of a sample size is required?
n =
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p∗=19%p∗=19%. You would like to be 99.5% confident
that your estimate is within 0.5% of the true population
proportion. How large of a sample size is required?
n =
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p*=30%p*=30%. You would like to be 99.9% confident
that you estimate is within 5% of the true population proportion.
How large of a sample size is required?
n = ________________________
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p*=39%p*=39%. You would like to be 99% confident
that you estimate is within 2.5% of the true population proportion.
How large of a sample size is required?
n =
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
Based on previous evidence, you believe the population proportion
is approximately p∗=23%p∗=23%. You would like to be 95% confident
that your estimate is within 3% of the true population proportion.
How large of a sample size is required?
n =
Do not round mid-calculation. However, use a critical value
accurate to three decimal places.

You want to obtain a sample to estimate a population proportion.
At this point in time, you have no reasonable estimate for the
population proportion. You would like to be 99.5% confident that
your esimate is within 4% of the true population proportion. How
large of a sample size is required?

You want to obtain a sample to estimate a population mean. Based
on previous evidence, you believe the population standard deviation
is approximately σ = 44.3 . You would like to be 98% confident that
your estimate is within 1.5 of the true population mean. How large
of a sample size is required?
n =_______
Do not round mid-calculation. However, use a critical value
accurate to three decimal places — this is important for the system
to be able to...

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