Probably Probability
Scattered Tables
Expect Logs
Artwork
What am I doing here?
100
What is the probability of rolling a 1 on a standard die?
(Express your answer as a simplified fraction)
1/6
100
What is the correlation of the above plot?
(Hint: Need both direction and strength)
Negative Moderate
100
Evaluate the expression:
log4(4)+log4(16)
log4(4*16) = log4(64) = 3
100
You buy an autographed film poster for $100 and it is expected to increase in value by 5% over the next 10 years. To figure out how much this is worth, would you use ART or PERT?
ART (used for items)
100
What city am I in?
Grand Rapids
200
What is the probability of selecting a yellow or blue marble from a box of 5 green, 3 yellow, and 2 blue marbles?
P(yellow or blue)= P(yellow) + P(blue) = 1/2
200
Using the above table, find the probability that someone likes snowmobiles. (Express your answer as a SIMPLIFIED fraction)
105/160 = 21/32
200
Evaluate the following expression:
log3273
3log327 = 3(3) = 9
200
You buy an autographed film poster for $100 and it is expected to increase in value by 5%. How much will it be worth in 10 years?
a(1+r)t
100(1+0.05)10
$162.89
200
Name the movie:
"Toto, I've a feeling we're not in Kansas anymore"
(Double points if you can also name actor who said it)
The Wizard of Oz
Judy Garland
300
The probability of selecting a red marble, not replacing it, then selecting a green marble from a box of 6 red and 2 green marbles
A) Are these events dependent or independent?
Dependent
(the marble was not replace)
300
Using the above table, find the probability that someone likes skateboards given they do not like snowmobiles. (Express your answer as a SIMPLIFIED fraction)
(45/55) = 9/11
300
Solve the following equation for x:
4x+2=18
4x+2=18
-2 -2
4x=16
log416 = x
x = 2
300
A watermelon decays at a rate of 6% per month. How much would a 20 pound watermelon weight after 4 months?
Pert
20e(-.06)(4)
15.73 pounds
300
What is the boiling point of water?
100oC or 212oF
400
On a spinner labeled with numbers 1-10, where each number is equally likely to be spun, determine the probability of spinning an odd number or a multiple of 3.
3/5
P(odd) = 5/10
P(multiple of 3) = 3/10
P(odd and multiple of 3)= 2/10
5/10 + 3/10 - 2/10 = 6/10 = 3/5
400
What is the correlation of the above scatterplot?
No Correlation
400
Solve the following equation:
log(3x-5)=1
log(3x-5)=1
101 = 3x-5
15 = 3x
x = 5
400
FREE SPACE!
$$$$$$$$$$$
Everyone gets $$$
400
Who is the Pythagorean Theorem named after?
Pythagorus
500
The probability of two independent events occurring is 1/18. If the probability of one event is 1/3, find the probability of the other event.
1/6
P(AandB)= P(A) * P(B)
1/18= 1/3 * x
x= 3/18 or 1/6
500
You randomly select someone who prefers chocolate ice cream. What is the probability that person is a child? .Express your answer as a simplified fraction, a decimal, AND a percentage.
40/107, 0.37, 37%
500
Write the inverse function for f(x) if
f(x) = 5x - 2
x = 5y - 2
x + 2 = 5y
log5(x+2) = y
500
You have $5000 in the bank earning 4% interest and it compounds continuously.
How long will it take for your investment to be worth $9000?
Pert
5000e.04t=9000
e.04t=9/5
ln(9/5)=.04t
.59 = .04t
t = 14.69 years
500
Which US president spent the LEAST amount of time in office?
(Double points if you know how many days)
William Henry Harrison (31 days)