Probability and Statistics
If John has three blue marbles and five red marbles, what is the probability of drawing a red marble then a blue marble without replacement?
15/56
Can a decimal be an integer?
No
What is the area of a square that has a length of 9?
81
2+y-14=-8
Solve for y
y=4
If Susan buys a TV for $386 that was originally priced at $300, what is the percent of change after the mark up?
29%
What is the probability of flipping a coin and getting heads, and then rolling a dice and getting an even number?
1/4
What is the lowest category that the number 9 fits into?
Natural numbers
What is the volume of a cube with a length of 6?
216
9-5=x-11
x=15
If Jacob went to McDonald's to buy lunch and the total bill before tax was $24.76 and after tax it was $27.42, what is the percent of change?
11%
If Erica has 4 pieces of red candy, and 8 pieces of blue candy, and 6 pieces of green candy what is the probability of getting a piece of red, not replacing it, then getting a piece of green candy?
4/51
Is pie a rational or irrational number?
Irrational
What is the volume of a rectangular prism if it has a length of 6, a height of 4, and a width of 5?
120
8-4-x=x
x=2
Kelley went To the burger shop and bought 2 burgers for him and Eva. In total it cost $56.78, but he had a coupon for 20% off. What is the new price?
$45.42
If Jamie has 12 blue gum balls, 6 green gum balls, and 4 pink gum balls what is the probability of him getting a pink gum ball, not replacing it, then getting a blue one?
48/462
What is the smallest subset of numbers that 3.7 fits into?
Rational numbers
What is the volume of a cone with a height of 7 and a diameter of 6?
65.94
5x7-s=s+21+4
s=5
Hunter bought a washing machine from Walmart for $300.99. but there was a discount for 75% off. What is the new price?
$75.25
If Matthew has 26 pieces of candy in a bag. 4 are blue, 8 are red, 6 are yellow and the rest are green. What is the probability of drawing a blue then a green with replacement?
8/169
What is the smallest subset of numbers that 0 fits into?
Integers
What is the volume of a Rectangular pyramid with a width of 4, a length of 5, and a height of 12?
80
36/2+x=(x)x4
x=6
If John goes to the store and buys some food that costs $79.86 after tax it comes up to 82.65. What is the percent decrease?
3.5%