Scores on the ACT college entrance exam follow a Normal distribution with a mean of 18 and a standard deviation of 6. Wayne’s standardized score (z-score) on the ACT was -0.7. What was Wayne’s actual ACT score?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8