Checkpoint 11.3.1. WebWork - Two Tailed Test.
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of \(n =
76\) C of I students found 28 with brown eyes.
We test
\(H_0: p = .45\)
\(H_a: p \neq .45\)
(a) What is the \(z\)-statistic for this test? \(\)
(b) What is the P-value of the test? \(\)