Layer
What will be an ideal response?
A layer is a logical grouping of data.
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What is NOT included with a loaded caliper?
A) A new piston (if needed) B) A replacement rotor C) New brake hardware D) New pads
What inputs may the PCM look at to determine the need to engage the cooling fan?
What will be an ideal response?
Let 
be a random sample from a 
population. Find the MLEs of µ and of ?.
What will be an ideal response?
The National Center for Health Statistics interviewed5409 adult smokers in 2015, and 2636 of them said they had tried to quit smoking during the past year. Consider this to be a random sample.
a. Find a 95% confidence interval for the proportion of smokers who have tried to quit within the past year. b. Find a 99% confidence interval for the proportion of smokers who have tried to quit within the past year. c. Someone claims that the proportion is less than 0.5. With what level of confidence can this statement be made? d. Find the sample size necessary for a 95% confidence interval to specify the proportion to within±0.01. e. Find the sample size necessary for a 99% confidence interval to specify the proportion to within±0.01.