In One Statistics Course, Students Reported Studying an Average of 9.92

Multiple Choice

In one statistics course, students reported studying an average of 9.92 hours a week, with a standard deviation of 4.54.Jessica is working two jobs and struggles to find time to study, averaging only 3 hours per week.What percent of students are at least as extreme as Jessica, in both directions? (Round z score to two decimal places.)

A) 87.14
B) 43.57
C) 6.43
D) 12.85