Geometric Measures
What is the perimeter of a rectangle with a length of 120 feet and a width of 60 feet?
360 feet
How can you change a decimal into a percentage?
Multiply by 100
What word(s) indicate that an event is independent?
replacement, or put back
What is the definition of probability?
How likely an event is to occur.
What are the four central tendency measures used to evaluate data?
Mean, median, mode, and standard deviation
Find the circumference of a circle with a diameter of 10 feet?
C= 31.42 feet
Find the percent increase. Original amount: 125 Final amount 225.
Percent increase=80%
What is a main factor of a dependent event?
The 2nd outcome depends on the 1st outcome because there is no replacement after 1st event.
What is the probability of drawing a 4 out of a standard deck of cards?
8%
What is the mean?
The average of all the numbers in the data set
Find the area of a triangle with a base measure of 20 inches and a height measure of 24 inches?
Area is 240 inches
Find the percent decrease. Original amount- 75, New amount- 10.
Percent decrease is 86%
If there are 20 marbles in a bag: 5 red, 5 blue, 5 yellow, and 5 green. I draw one marble out of the bag and then go draw another marble out. Is this event independent or dependent? Why?
It is dependent, as there is no replacement so the outcome of 2nd event is dependent of outcome of 1st event.
What is the probability of drawing a face card and then replacing it and then drawing another face card?
15%
What is standard deviation?
The measure of how spread out the data is in relation to the mean.
Find the volume of a circle with a radius of 80 m?
volume is 335.10 m
What is the formula for % increase?
((final-original)/original)*100
If there are 52 cards in a standard deck of cards and I draw out a 3 of spades and then replace it before drawing a king out of the deck. Is this event independent or dependent? Why?
Independent, because replacement is occuring
What is the probability that a red marble is drawn out of a bag that contains 10 blue, 14 red, 6 yellow, and 2 green marbles?
44%
Find the mean of the following data?
10,5,16,14,13,20,21,22,1,4,2
11.5
Find the surface area of a rectangular prism with a height of 10 feet, width of 6 feet, and a length of 12 feet.
Surface area is 720 feet
Find the percent increase of SCHS' school population between the years 2017 and 2023. 2017- 1450, 2023- 1654
The percent increase is 14.1%
If Coach B put everyone's name in a hat and drew 1 name out and then put that name back and then drew out another name, before drawing out an additional name. Are these events independent, dependent, or a combination of both? Why
Combination of both because replacement is occurring between the 1st and 2nd draw, but not between the 2nd and 3rd draw.
Do you add or subtract when "and is used in an event?
Subtract
How do you find the median when there is an odd amount of numbers in a data set?
take the average of the 2 middle numbers after the data is arranged in numerical order