An inspection of eight wind turbines revealed that 13 operate too loudly according to new sound restrictions. The summary statistics are
n = 80 x = 13
Let p = population proportion that are too loud.
(a) Give a point estimate of p and its estimated standard error
(b) Obtain a 95 % confidence interval for the population mean p.
(c) Does your interval cover p? Explain.

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The Answer of  An inspection of eight wind turbines revealed that 13 operate too loudly according to new sound restrictions. The summary statistics are
n = 80 x = 13
Let p = population proportion that are too loud.
(a) Give a point estimate of p and its estimated standard error
(b) Obtain a 95 % confidence interval for the population mean p.
(c) Does your interval cover p? Explain.

An Inspection of Eight Wind Turbines Revealed That 13 Operate