A class is composed of 35 psychology majors and 35 speech majors. If 18 of the 20 people who enter the room are speech majors, is that sufficient evidence to argue that speech majors are abnormally early to class, compared to psychology majors? Use the sign test to answer this question. Choose your own alpha and explain your choice

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Find the area of the unshaded square

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll