In a Test Of $H _ { 0 } : \mu = 70$

question 118

Essay

In a test of $H _ { 0 } : \mu = 70$ against $H _ { \mathrm { a } } : \mu \neq 70$ , the sample data yielded the test statistic $z = 2.11$ . Find and interpret the $p$ -value for the test.