what is the standarized test statistic?

and P VALUE????

(it is normally distributed.)

please answer both questions i will rate

Use technology and a t-test to test the claim about the population mean at the given level of sigruficance a using the given sample statistics. As Claim >80a=0.10 Sample statistics x = 823, s =35, n = 20 EE OH HAN> 80 c. Ho 1280 HA #