Find the value of the standard score, z, and determine whether to reject the null hypothesis at a 0.10 significance level. Is the alternative hypothesis supported? Ho: p= 19.6 seconds, H: p> 19.6...

Extracted text: Find the value of the standard score, z, and determine whether to reject the null hypothesis at a 0.10 significance level. Is the alternative hypothesis supported? Ho: p= 19.6 seconds, H: p> 19.6 seconds, n = 121, x=20 5 seconds, o = 2.0 seconds a The value of the standard score is (Round to two.decimal places as needed.)