Asked by Rob
Use the given data to find the minimum sample size required to estimate a population proportion or percentage.
Margin of error: 0.06; confidence level 90% ^p and ^q unknown
n= (round up to the nearest integer)
Margin of error: 0.06; confidence level 90% ^p and ^q unknown
n= (round up to the nearest integer)
Answers
Answered by
MathGuru
Formula to find sample size:
n = [(z-value)^2 * p * q]/E^2
... where n = sample size, z-value is found using a z-table for 90% confidence, p = .5 (when value is unknown), q = 1 - p, ^2 means squared, * means to multiply, and E = .06.
Plug values into the formula and calculate n.
n = [(z-value)^2 * p * q]/E^2
... where n = sample size, z-value is found using a z-table for 90% confidence, p = .5 (when value is unknown), q = 1 - p, ^2 means squared, * means to multiply, and E = .06.
Plug values into the formula and calculate n.
Answered by
amy
1033
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