Faruoq7951 Faruoq7951

05-10-2020
Mathematics

contestada

STANDARD DEVIATION
In 2020, Governor Pat Reynolds is going to be running against Waterloo native Michele Bachmann. A poll by the Acme Polling company gives this result:

Reynolds: 63%

Bachmann: 37%

margin of error: plus-or-minus 5%

What is the standard deviation?

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adefunkeadewole adefunkeadewole

07-10-2020

Answer:

0.1527

Step-by-step explanation:

Standard Deviation = √p × q/n

Reynolds: 63%

Bachmann: 37%

n = 100

Standard Deviation = √0.63 × 0.37/100

= √(0.02331)

= 0.1526761278

≈ 0.1527

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