Author Question: A hypothesis test is a two-tailed if the alternative hypothesis contains a _______ sign. A) + B) ... (Read 123 times)

luminitza · **on:** Jul 25, 2018

A hypothesis test is a two-tailed if the alternative hypothesis contains a _______ sign.

A) + B) C) < D) >

Question 2

Many people think that a national lobby's successful fight against gun control legislation is reflecting the will of a minority of Americans. A random sample of 4000 citizens yielded 2290 who are in favor of gun control legislation.

Find the point estimate for estimating the proportion of all Americans who are in favor of gun control legislation.
A) 4000 B) 0.4275 C) 0.5725 D) 2290

Determine the critical value that corresponds to the given level of confidence.