13. [Chapter 22] A recent news article reported that "only 5% of adult heterosexuals had multiple partners". A research team -suspecting that actual percentage is different from the article's reported...

STATE:

PLAN: ? ≡
Level C:
Method used:

SOLVE: Check necessary conditions. Show all formulas used, with the correct values substituted in. Report the estimate to ±0.01% and p-value to ±0.0001. Include a sketch of the sampling distribution of ?̂ with the observed cut-off value and p-value clearly labeled.

a) perform a complete Normal calculation:
_____< z="">< _____="" _____="">< −=""><>

CONCLUDE:

Extracted text: 13. [Chapter 22] A recent news article reported that "only 5% of adult heterosexuals had multiple partners". A research team -suspecting that actual percentage is different from the article's reported percentage- found that 172 from an SRS of 2893 adult heterosexuals had multiple paırtners.