Discrete and Continuous
Discrete
Number of possible outcomes of flipping a coin 3 times
8
Each probability of the Sample space must add up to what number
1 or 100%
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.18 | 0.44 | 0.27| 0.08 | 0.03|
Find P(X = 2)
0.27
Who said this when asked for their favorite summer memory:
"going to drifting car meets"
Angel
Time in a race (discrete or continuous?)
Continuous
100% of 245
245
What labels go on a probability distribution?
X (or the given variable)
P(X)
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.18 | 0.44 | 0.27| 0.08 | 0.03|
Find P(X ≤ 1)
0.62
Whose birthday is coming up next?
Double points if you can say the date!
Charlie (April 12)
What is a discrete random variable?
A random variable that can only be an integer (whole number)
.094 as a percentage
9.4%
Construct a probability distribution for rolling a Die
outcome/ 1 2 3 4 5 6
Probability/ 1/6 for each
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.18 | 0.44 | 0.27| 0.08 | 0.03|
Find P(X ≥ 3)
0.11
Who said this when asked what they wish they had done over the summer:
"Going dirtbike riding"
Basketball scores (discrete or continuous?)
Discrete
A fair coin is tossed 3 times. What is the probability of getting at least 2 heads?
4/8 or 1/2
If there is a Probability Distribution Chart that totals .99 in the Probability section. What would the last Outcome be worth?
.01
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.18 | 0.44 | 0.27| 0.08 | 0.03|
Find P(X ≥ 0)
1
Name all five of the nominees for best boy duo
Angel and Felix
Angel and Christian
Jayden and Michael
Freilis and Dalby
Freilis and Jason
What does continuous random variable?
A variable that can be any number, not just an integer
3/5 + 3/10
9/10
Provide the entire list of outcomes if we decided to flip 3 coins
HHH, HHT, HTH, HTT, THH, TTH, THT, TTT
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.18 | 0.44 | 0.27| 0.08 | 0.03|
Find P(X ≤ 4)
1
There are four months that have 4 senior birthdays each. Name all four months (you don't have to name the people)
January, April, May, August