Advanced Placement (AP), 19.03.2021 18:40, ella3714

Researchers make a one-sample z interval to estimate the proportion of adults who would say they learned something new in the past month. Previous studies have suggested that about 40% would answer "yes" to this
question. The researchers plan on using a confidence level of 95%, and they want the margin of error to be no
more than 25%
If we assume p = 0.40, what is the smallest sample size required to obtain the desired margin of error?
Choose 1
140
225
296
D
369

Researchers make a one-sample z interval to estimate the proportion of adults who would say they le

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Researchers make a one-sample z interval to estimate the proportion of adults who would say they lea...