Probability
Is a
Method
for what?
Measuring & quantifying
Measuring What?
The likelihood to obtain
specific sample
from
a specific population
Sampling
Random Sampling
Independent Random Sampling
Equal chance of being selected
Equal & constant chance of being selected
Probability & Normal Distribution
Probability = Proportion
Finding probability of an X value
X Value to Z-score
Look at the table
Find the proportion/probability
Finding X value of a proportion
Look at the table
Find the proportion/probability
Find the Z-score
Change to X value
Proportion always positive
Percentile & Percentile Ranks
Percentile = 70th
Percentile ranks = 70%
Probability & Binomial Distribution
Binomial = Two outcomes, A & B
A + B = 1.00 (100%)
When pn and qn > 10
μ = pn
σ = √npq
And they crucified Him, and divided up His garments among themselves, casting lots for them to decide what each man should take.
Mark 15:24
~ SOLI DEO GLORIA ~
Probability & Inferential Statistics
The bigger sample size the more representative