Researcher Team Assignments and Statistics

The video tutorial covers four math problems. Problem 214 involves assigning researchers to teams based on preferences and calculating the minimum number of dissatisfied members. Problem 215 focuses on finding the average and median of the first ten positive multiples of 5. Problem 216 deals with percentage calculations, specifically expressing one variable as a percentage of another. Problem 217 explores the probability of selecting sibling pairs from two classes. Each problem is explained step-by-step, emphasizing logical reasoning and mathematical calculations.

What is the total number of researchers assigned to team A?

• 20

• 30

• 25

• 15

Tags

CCSS.3.MD.B.3

How many researchers prefer team A?

• 15

• 30

• 35

• 20

Tags

CCSS.8.EE.C.8C

What is the lowest number of researchers who will not be assigned to their preferred team?

• 20

• 10

• 5

• 15

What is the average of the first ten positive multiples of 5?

• 32.5

• 30

• 25

• 27.5

What is the median of the first ten positive multiples of 5?

• 32.5

• 25

• 27.5

• 30

What is the value of big M minus small m?

• 0

• 5

• 15

• 10

If x is m% of y, what is y as a percentage of x?

• 100/m

• 10,000/m

• m/10,000

• m/100

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How many students are in the junior class?

• 1200

• 800

• 1000

• 600

Tags

CCSS.HSS.CP.B.9

What is the probability of selecting a sibling pair from the classes?

• 3/80,000

• 3/40,000

• 1/1000

• 1/800

How many sibling pairs are there in total?

• 30

• 120

• 60

• 90