4) Which statement below is true about a 95% confidence interval where the population mean is contained within the interval of 3.2 to 3.8?

The width of this interval is 0.016

The sample mean is 3.5

The margin of error is 0.6

The CI of 95% uses 1.960

5) Which statement is typically NOT true about alternative hypothesis?

It presumes innocence

It is a belief about the population

It is denoted with H sub a

It focuses on the suspicion of an event

8) Which statement below is NOT true about Error Types?

A Type I error is when a false null hypothesis is rejected.

A Type II error is when a false null hypothesis fails to be rejected.

A Type I error is denoted by the Greek letter alpha.

A Type II error is denoted by the Greek letter beta.