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Intro to Probability - Chapter 13 Flashcards | StudBud

Explore/Intro to Probability - Chapter 13

Intro to Probability - Chapter 13

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AP Stats intro to probability basics

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Questions 7

Answers

1
Which is NOT a rule of probability?
Each probability is between 0 and 1.
All probabilities of each outcome must be equal.
The probability of complement of event, A is the 1 - P(A).
The probabilities of the sample space must add to 1.
2
Which of the following best describes what it means to say that the P(3) = 0.1?
There's a 1% chance of outcome of 3 happening in each trial.
Outcome of 3 will happen approx 1 out of 10 times in longrun
The outcome .1 will happen about 30% of the time.
In ten trials, the outcome 3 will happen exactly 1 time.
3
Suppose the penny is fair, This means that
the penny is weighted unfairly.
heads is more likely than tails.
tails is more likely than heads.
both heads & tails are equally likely.
4
In probability and statistics, a random phenomenon is
a mathematical mystery.
an event that shows a pattern in a long run of trials.
an event that cannot be predicted in short amount of trials
predictable in a single trial.
5
In a standard 5 card hand of poker, which hand is most likely?
Full house (2 of one, 3 of another)
Royal Flush (highest cards in a row with same suit)
3 of a kind (three match only)
2 of a kind (two match only)
6
When two coins are tossed, the probability of getting two heads is 0.25. This means that
B
D
C
A
7
The sample space for counting the # of shots she makes is...
S = any number between 0 and 1.
S = whole numbers 0 to 8.
S = whole numbers 1 to 8.
S = all sequences of 8 hits or misses, like HMMHHHMH.