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