Which of the following examples would use a one-tailed t-test? C] Checking to see if asphalt pavement density is above 92.0% of Rice density C] Checking to see if the cost for mobilization = 10% of total project cost C] Checking to see if asphalt content is between 4.8% and 5.8% C] Checking to see if pavement smoothness is below 70 inches/mile C] Checking to see if concrete air content is between 4% and 8% It is conventional to conclude the null hypothesis is false if the probability value is less than _____ . (ll in the blank with a decimal, not a percentage) E