Question

Use the given data to find the minimum sample size required to estimate the population proportion.

Margin of error: 0.008; confidence level: 98%;

ModifyingAbove p with caret

and

ModifyingAbove q with caret

unknown

Answer #1

Solution :

Given that,

= 1 - = 0.5

margin of error = E = 0.008

At 98% confidence level

= 1 - 98%

=1 - 0.98 =0.02

/2
= 0.01

Z/2
= 2.326

sample size = n = (Z_{
/ 2} / E )^{2} *
* (1 -
)

= (2.326 / 0.008)^{2} * 0.5 * 0.5

= 21133.89

sample size = n = 21134

Use the given data to find the minimum sample size required to
estimate the population proportion. Margin of error: 0.008;
confidence level: 98%; ModifyingAbove p with caret and
ModifyingAbove q with caret unknown A. 22,184 B. 10,384 C.
20,308 D. 21,207

Use the given data to find the minimum sample size required to
estimate the population proportion. Margin of error: 0.005;
confidence level: 96%; p and q unknown

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nine percentage points; confidence level 90 %; from a prior study,
ModifyingAbove p with caret is estimated by the decimal equivalent
of 56 % nequals nothing (Round up to the nearest integer.)

Use the given data to find the minimum sample size required to
estimate a population proportion or percentage. Margin of error:
six percentage points; confidence level 95%; from a prior study,
ModifyingAbove p with caret is estimated by the decimal equivalent
of 56% nequals nothing (Round up to the nearest integer.)

Use the given data to find the sample size required to estimate
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Use the given information to find the minimum sample size
required to estimate the population proportion.
Margin of error: 0.028; confidence level: 99%; p and q
unknown

Use the given data to find the minimum sample size required to
estimate a population proportion or percentage.
Margin of error: five percentage points; confidence level
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estimated by the decimal equivalent of 58%

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estimate the population proportion. Margin of error: 0.09;
confidence level: 99%; and unknown

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Show All Work
Use the given data to find the minimum sample size required to
estimate the population proportion.
Margin of error: 0.028; confidence level: 99%; p ̂ and q ̂
unknown.
b. Recalculate the sample size needed for p ̂=0.27

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