Using the Exam Scores dataset, a teacher found that 31 of 50 students scored over 80 in Exam 1, which is over the expected proportion of 0.5. At the a=0.01 significance level, does sufficient evidence exist that the proportion of scores over 80 is greater than 0.52 Use the output below​

hi there!

the answer is: 2 and -2

step-by-step explanation:

case 1: an absolute value of positive number will still be a positive number

so absolute value of 2 is 2

case 2: an absolute value of negative number will be positive number so absolute value of -2 is 2

3boys + 4 girls = 7 students

3 boys to students   true   yes

4 girls to 3 boy   true     yes

3 boys to 7 girls   false   no

4 girls to 7 students   true   yes

its d. trust me just answer make the test just do it