Probability & statistics Exam
Questions and Answers Verified
Solutions Latest Update (2026/2027)
Question:
Factorial
Answer:
n! = n x (n-1) x (n-2) x (n-3)...1
Question:
Ex: 5! = 5 x 4 x 3 x 2 x 1 = 120
Permutation
Answer:
n! / (n-r)!
Question:
n = total
r = limited total
0!
Answer:
1
, Question:
Theoretical probability
Answer:
What should occur or what we expect to happen in an
experiment
Question:
Experimental probability
Answer:
Question:
Probability that is based on repeated trials of an experiment
Objective probability
Answer:
Based on mathematical formulas and documented evidence
Question:
EX: raffles, lottery, rolling dice, flipping coins
Subjective probability
Answer:
An individual's personal feelings / judgments of probability
Questions and Answers Verified
Solutions Latest Update (2026/2027)
Question:
Factorial
Answer:
n! = n x (n-1) x (n-2) x (n-3)...1
Question:
Ex: 5! = 5 x 4 x 3 x 2 x 1 = 120
Permutation
Answer:
n! / (n-r)!
Question:
n = total
r = limited total
0!
Answer:
1
, Question:
Theoretical probability
Answer:
What should occur or what we expect to happen in an
experiment
Question:
Experimental probability
Answer:
Question:
Probability that is based on repeated trials of an experiment
Objective probability
Answer:
Based on mathematical formulas and documented evidence
Question:
EX: raffles, lottery, rolling dice, flipping coins
Subjective probability
Answer:
An individual's personal feelings / judgments of probability