Statistical Reasoning Problem...

[dani04]

A 2010 poll determined that 65% of people agreed that wind power should be used over hydro power. The result of the survey are accurate within +2.9 percentage points, 19 times out of 20.

A) State the confidence level
B) Determine the confidence interval
C) The population of Nunavut was 33 200 in 2010. State the range of the number of Nunavut residents who agreed that wind power should be used over hydro power.

 

[Deleted member 4993]

A 2010 poll determined that 65% of people agreed that wind power should be used over hydro power. The result of the survey are accurate within +2.9 percentage points, 19 times out of 20.

A) State the confidence level
B) Determine the confidence interval
C) The population of Nunavut was 33 200 in 2010. State the range of the number of Nunavut residents who agreed that wind power should be used over hydro power.

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