Loading…
ScholAuHome
Conditional probability, tables and replacement
STA 112. Practice questions, not past papers.
Pre-test
Answer before you read the lessons.
Lessons
Practice questions
The denominator of P(A given B) is what?
Statistics study edition practice item Q104; Source: T62-72
Without replacement, successive category draws are generally what?
Statistics study edition practice item Q105; Source: T62-72
Which table total is used for an unconditional joint probability?
Statistics study edition practice item Q106; Source: T62-72
Which method reverses a conditional probability using prior group probabilities?
Statistics study edition practice item Q107; Source: T62-72
In a table of 100 units, a conditioning group contains 52, of whom 42 have the target property. Find the conditional probability. Give the value to 4 decimal places.
Statistics study edition practice item Q108; Source: T63
In a table of 100 units, a conditioning group contains 48, of whom 9 have the target property. Find the conditional probability. Give the value to 4 decimal places.
Statistics study edition practice item Q109; Source: T63
In a table of 100 units, a conditioning group contains 52, of whom 10 have the target property. Find the conditional probability. Give the value to 4 decimal places.
Statistics study edition practice item Q110; Source: T63
Wet season occupies 1/3 of a year and has rain probability 3/4. Dry season occupies 2/3 and has rain probability 1/6. Given rain on a random day, find P(wet season given rain). Give the value to 4 decimal places.
Statistics study edition practice item Q111; Source: T72
Three cards are drawn successively without replacement from a standard 52-card deck. Find the probability all three are aces. Give the value to 6 decimal places.
Statistics study edition practice item Q112; Source: T65, T68
In P(A given B), the conditioning event is _____.
Statistics study edition practice item F036; Source: T62-72