Probability
Which one is the claim?
Math Symbols
Mean, median, mode, range, outliers
Deck of Cards
100
For every 75 kit kats produced in a warehouse, 2 are chemically modified. In a shipment of 300 kit kats, how many are chemically modified?
8/300
75/300
2/300
1/300
1. 8/300
100
An engineer is working on a project. He wants to test if the melting point of steel is greater than 170 degrees F. Which one would be his claim?
H0 : μ = 170
H1 : μ > 170
H1 : μ < 170
H: P > 170
2. H1 : μ > 170
100
A: Mu
B: Population
C: Standard Dev.
D: Equal to
A: Mu
100
Find the mean of the following set of data: 13, 23, 21, 20, 21, 24, 18
20
13
30
25
1. 20
100
If you randomly pick a card from a deck of 52, what is the probability that you will pick a RED KING?
2/52
1/26
4/52
3/52
2. 1/26
200
What is the probability of drawing a 2 of diamonds from a deck of cards?
7/52
3/52
4/52
11/52
3. 4/52
200
We want to test that the mean is different than 50.
X = 50
X≠ 50
X > 50
X < 50
2. X≠ 50
200
n
A:Population
B: Standard Dev.
C: Sample Size
D: Population Size
C: Sample size
200
What is the mode: 10, 9, 4, 4, 8, 8, 8, 4, 7, 6, 11, 14, 27
2 and 6
3 and 7
4 and 8
5 and 13
3. 4 and 8
200
If you randomly select a card from a deck of 52, what is the probability of selecting a black card?
4/52
¼
½
4/8
3. 1/2
300
6 brown, 7 red, 9 green, and 15 blue M&M’s are placed in a bag. The probability of pulling out a blue M&M is?
9/37
15/37
6/37
7/37
2. 15/37
300
Test the claim that the mean is larger than 75%
X > .75
X < .75
X = .75
P > .75
1. X >.75
300
Sample Standard Deviation
Population Standard Deviation
Sample Size
Population Size
2. Population Standard Deviation
300
Jane has 3 nickels, 5dimes, and 2 quarters. Find the mean, median, mode, and range of the values of Jane's coins.
11.5 cents median: 10 cents mode: 10 cents range: 20 cents
12.5 cents median: 15 cents mode: 5 cents range: 30 cents
10 cents median: 15 cents mode: 13 cents range: 20 cents
10 cents median: 11.5 cents mode: 20 cents range: 10 cents
1. 11.5 cents median: 10 cents mode: 10 cents range: 20 cents
300
If you randomly select a card from a deck of 52, what is the probability of selecting either a spade or a heart?
26/52
28/52
½
1/4
3. 1/2
400
If a bag of balloons consists of 47 white balloons, 5 yellow balloons, and 10 black balloons, what is the approximate likelihood that a balloon chosen randomly from the bag will be black?
19%
16%
21%
33%
2. 16%
400
Test the claim that the proportion of balls dropped is equal to 46%
P > .46
μ = .46
X = .46
T = .46
1. P>.46
400
Alpha
Omega
Summation
Sigma
1. Alpha
400
What is the definition of mode?
Difference of the smallest and largest value
Average of the common value
Value or values that occur the most often in a set of data
Datapoint the differs significantly from others
3. Value or values that occur the most often in a set of data
400
If you randomly select a card from a deck of 52, what is the probability of selecting a red card?
3/15
6/52
15/20
1/2
4. 1/2
500
In a lottery game, there are 2 winners for every 100 tickets sold. If a man buys 10 tickets, what are the chances that he is a winner?
1 in 2
1 in 5
2 in 5
2 in 2
2. 1 in 5
500
A study was done on the association of colors and emotions. Test the claim that they have no correlation.
The colors and emotions are independent of each other
The colors and emotions are dependant upon each other
P = .54
The colors and emotions have a correlation
2. The colors and emotions are dependant upon each other
500
Standard Deviation
Population Mean
Sample Proportion
Summation
4. Summation
500
* DOUBLE JEPORADY *
What is the definition of median?
Average of the common value
the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average
Datapoint the differs significantly from others
Value or values that occur the most often in a set of data
2. the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average
500
If you randomly select a card from a deck of 52, what is the probability that you will select a face card (including Ace cards)?
4/16
5/52
19/52
4/13
4. 4/13