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Probability and Statistics Flashcards | StudBud
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Probability and Statistics
Probability and Statistics
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Basic Probability and Statistics
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
20 jelly beans are in a jar; 6 red, 4 purple, 5 orange, and 5 green. What is P(red)? simplify!
1/4
3/10
2/5
2
What is the probability that you will pass social studies for the year?
likely
as likely to happen as not
certain
Impossible
3
What did you have for breakfast this morning?
cereal
none of these things
toast
pop tarts
4
Same jelly beans from last example. What is P(red or purple) Simplify!
1/5
1/2
2.5
3/10
5
Probability will always be a number from zero to...
1
1.5
any number
0.5
6
On a number cube, what is P(odd number)? Simplify!
1/3
1/2
4/6
7
A spinner has 4 sections: one green, one blue, one yellow, one red. What is P(not yellow)?
1/2
1/4
3/4
8
If there is a strong chance that an event will happen then... (hint: two answers are correct)
P=3/4
p=1
P= 0.75
p=0
9
What was the #1 pop song last week?
Uptown Funk
One Last Time
Sugar
See You Again
10
A coin is tossed. What is the probability of the coin landing on heads?
1.8
5
.50
0.75
11
A spinner has 4 sections; 1 red,1 blue,1 orange,1 green,1 yellow. What is P(spinning brown)?
2/8
0
1/4
12
What is the probability that tomorrow is the last day of school?
3/4
1/2
0
1
13
If probability = 0 then the event will never happen impossible!
I'm lost
False
sometimes
True
14
Independent events are when...
events won't help each other out.
one event affects the outcome of another event
P(events)
a first event does not affect a second event..
15
P (event) = number of favorable outcomes
I don't know
multiplied by the number of possible outcomes
divided by number of possible outcomes
divided by 1
16
If probability = 1 then the event will definitely happen
I'm lost
True
can't tell
False
17
What is the definition of probability?
a measure of how likely that an event will occur
their isn't one
to ratios are equal
a result of multiplying
18
P(red) and P (not red) are...
probability
complementary angles
complementary events
19
Theoretical probability is based on experimental data.
True
False
20
Experimental probability is based on experimental data.
True
False
21
An example of complementary events is...
P(A) + P (B)
P(green) and P(not green)
P(green) + P(yellow)
