Flag question: Question 6

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data. The online calculator ishttps://www.socscistatistics.com/descriptive/variance/default.aspxLinks to an external site.

22.6 16.1 36.1 36.0 23.8 20.3

A) 4347.7

B) 8.35

C) 3999.0

D) 36.1

Group of answer choices

4347.7

8.35

3999.0

36.1

Flag question: Question 7

Flip a coin twice. Create the sample space of possible outcomes.

A) {HH, HT, TT}

B) {HH, TT, HT, HT}

C) {HT, TH}

D) {HH, HT, TH, TT}

Group of answer choices

{HH, HT, TT}

{HH, TT, HT, HT}

{HT, TH}

{HH, HT, TH, TT}

In a certain class of students, there are 11 boys from Wilmette, 7 girls from Wilmette, 5 boys from Winnetka, 4 girls from Winnetka, 4 boys from Glencoe, and 4 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be a boy? Hint: There are how many boys? There are how many total students?

A) 0.314

B) 0.429

C) 0.571

D) 0.71

Group of answer choices

0.314

0.429

0.571

0.71

Flag question: Question 9

Evaluate the expression 8P4. You can use this calculator: https://www.calculator.net/permutation-and-combination-calculator.html?cnv=8&crv=4&x=73&y=15

A) 1680

B) 2

C) 4

D) 70

Group of answer choices

1680

2

4

70

Flag question: Question 10

Evaluate the expression: 11!/7!

Long way: https://www.chilimath.com/lessons/intermediate-algebra/dividing-factorials/Links to an external site.

Short cut: https://www.thecalculator.co/math/Factorial-Calculator-514.htmlLinks to an external site.

Group of answer choices

A) 11/7

B) 7920

C) 2!

D) 77,000

11/7

7920

2!

77,000