Probability
Statistics
Inequality
Word Problems
Random!
100
Is this random sampling? Billy opens a box of balls. There are 4 green balls, 5 blue balls, and 2 orange balls. Billy selects 2 green balls because green is his favorite color.
no, random sampling is not selecting/choosing something. it is taking something by surprise or randomly taking it.
100
What is the mode? What is frequency?
The number with the highest frequency?
100
What is x -5 < 15? (Draw the real line also.)
x < 20
100
Milo the cat is twice as old as Burger the dog. Burger is two less than 14. How old is Milo?
Milo is 24.
100
What is the range of these test scores? 39 48 66 57 88 43 77 56 66 90 40
50
200
A box has 4 strawberry sweets and 6 orange sweets. What's the probability of getting a strawberry sweet?
4/10 or 2/5
200
What is the range of these numbers: 61 20 9 2 3 1 500
500 - 1= 499
200
Can you describe x > 8 in a full sentence?
The number which is more than 8.
200
Milo loves eating ice cream cones. At the ice cream eating contest, he ate 4 times more than Burger. Burger ate as many of the square root of 100 ice creams. How much did they both eat?
Burger ate 10, Milo ate 40.
200
How many outcomes are there in a single coin toss?
2, heads or tails
300
A couple is planning to have 3 kids. What's the probability that they'll have 2 daughters and 1 son?
3/8
300
What is the arithmetic mean: 1 2 3 4 5
3
300
Can you describe x - 4 = y + 1 in a full sentence?
Four less than a number is equal to a number added to one.
300
Find three even consecutive integers which the maximum number is 4 times the minimum number.
Show on the board
300
What is the probability of pulling a black card in a deck of 52 cards, where half of them are red and the rest are black?
26/52
400
There are two dice to roll. What is the probability of rolling numbers that add up to: the number 11? the number 14?
For 11: 2/36, and for 14: 0/36.
400
What is the median number? Can you give an example?
Shown
400
Can you describe 3x + 5y < 100 in a full sentence?
Three times a number added to five times another number is less than 100.
400
A square increases 4 inches on one side and decreases 4 inches on another side. The area of this new rectangle figure is 84. What value is the side of the square?
10
400
What is a real-life example of probability?
Weather, gambling in casinos, insurance calculations
500
Can we have a negative probability? Can we have a probability greater than 1 (or 100%)?
Probability exists between 0 to 1, or 0% to 100%, including these values.
500
What is the median in this: 1 2 3 4 5 6
3.5
500
What is 2(x+5) < 100 - 2x? Solve and draw the real line.
4x < 90 or x < 90/4
500
Milo loves to sing. He sings ten times as many songs as Burger, who sang two times as many song as Milkshake. Milkshake sang two less than 10 songs. How many songs did they all sing?
Milkshake: 8, Burger: 16, Milo: 160
500
Can we have a mode in a set of three numbers? Can we have a mean? median? range?
yes to all of them