Find the value of the standardscore, z, and determine whether the alternative hypothesis is supported at a 0.05 significance level.

Ha: <80, n=81, x=79, = 13

The value of the standard score is

The criticalvalue(s) is/are is

Determine whether the alternative hypothesis is supported at a 0.05 significance level.

A.

The standard score is at least as extreme as the criticalvalue(s). The alternative hypothesis is not supported.

B.

The standard score is less extreme than the criticalvalue(s). The alternative hypothesis is supported.

C.

The standard score is less extreme than the criticalvalue(s). The alternative hypothesis is not supported.

D.

The standard score is at least as extreme as the criticalvalue(s). The alternative hypothesis is supported.