$\"\"$

The mean value is $\"\"$ .

The standard deviation is $\"\"$ .

Find the probability that the number of seniors who completed more than $\"\"$ of community service.

The formula for the $\"\"$ value is $\"\"$ .

Susbtitute $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ .

The probability for the $\"\"$ value is $\"\"$ .

The probability that the number of seniors who completed more than $\"\"$ of community service is $\"\"$ .

$\"\"$

The probability is $\"\"$ .