An educator claims that the average salary of substitute teachers in the school districts in his county is less than $90 per day. A random sample of 8 schools districts is selected and the daily salaries are shown below.What is the p-value for this hypothesis test?

$90 $86 $90 $85 $100 $85 $90 $85

0.05

0.626

0.7244

0.2756

0.5512