A survey of 31 students at the Wall College of Business showed the following majors: Accounting 9
Finance 3
Economics 3
Management 7
Marketing 9

From the 31 students, suppose you randomly select a student.

a. What is the probability he or she is a management major? (Round your answer to 3 decimal places.)

b. Which concept of probability did you use to make this estimate?

multiple choice
Empirical
Randomness
Uniformity
Inference
Classical

4. find the geometric mean of 4 and 12. 24 8

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.