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