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Sophie Bartlett
on Dec 01, 2024

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An advertising firm wants to confirm estimates that 18% of households will buy something on the internet next year.What sample size will produce a margin of error of 7% with 90% confidence level?

A) 116
B) 82
C) 73
D) 246
E) 6

Internet Purchases

Buying goods or services online through websites or mobile apps.

Margin of Error

An expression of the amount of random sampling error in a survey's results, indicating a range within which the true value lies with a certain level of confidence.

Confidence Level

The degree of certainty or probability that a parameter lies within a specified range of values.

  • Select the proper sampling magnitude required to meet specific confidence thresholds and error tolerances in the realm of polling and surveys.
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KC
Kirsten ChinskiDec 08, 2024
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