Wednesday

July 23, 2014

July 23, 2014

Posted by **looking for someone to varify my work please** on Tuesday, April 6, 2010 at 4:27pm.

Question: Find the margin of error E.

Round E to three decimal places

Answer:

E = zc pq/n

= 1.96 (0.48 x 0.52)/100

= 0.098

Question: Construct a 95% confidence interval for the population proportion p of all Twinkle bulbs.

Answer:

0.48 - 0.098 < p < 0.48 + 0.098

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