A sample mean, sample size, and population standard deviation are provided below. Use the one$-$mean z$-$test to perform the required hypothesis test at the $1\%$ significance level.

$\stackrel{}{x}=28,n=10,=7,H_0$:$=22,H_a$:$>22$

Click here to view a partial table of areas under the standard normal curve.

The test statistic is $z=$

$($Round to two decimal places as needed.$)$

The P$-$value is

$($Round to four decimal places as needed.$)$

the null hypothesis. The data sufficient evidence to conclude that the mean is