MCS Review

Mr. Goodrich has 6 classes of students. He wants to know if the lighting effects performance on exams. He takes 3 of his classes and dims the lights, while the remaining 3 classes has all the lights on. What type of scenario is this?

• Survey

• Experiement

• Observation

60% of all credit card holders have an average credit score of 650 or greater. What does the number 60% represent?

• Population

• Sample

• Parameter

• Statistic

P(A) is 3/8 while P(B) is 1/2, What is P(A and B)

• 2/5

• 3/10

• 2/3

• 3/16

The slope equation is y=mx+b. Solve for m?

• m=yx-b

• m=(y-b)/x

• m=(y+b)/x

• m=yx+b

What is the range of the data set?

• 62

• 60

• 65

• 57

What is the median of the data set?

• 64

• 66

• 68

• 72

The probability of a cast member in theater being female is 50% The probability that a person in theater is both female and sings is 27%. What is P(Sings|Female in Theater)

• 27%

• 77%

• 48%

• 54%

Mr. Goodrich is trying to decide on a new BMW Convertible. They come in the 300, 400 and the 800 series. He can choose from black, red, white, and blue. All models have option of manual or automatic transmissions. How many different BMW's can Mr. Goodrich choose from.

• 6

• 12

• 18

• 24

What is the shape of the histogram shown?

• Left Skew

• Symmetical

• Right Skew

• Uniform

What is the probability of landing on a 4 or a number greater than 7

• 3/10

• 4/10

• 5/10

• 6/10