stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Duplicate of Probability and Statistics Flashcards | StudBud
Explore
/
Duplicate of Probability and Statistics
Duplicate of Probability and Statistics
18 terms
·
StudBud Administration
Basic Probability and Statistics
Flashcards
18 cards
F
Practice quiz
P
Host live
L
Questions
18
Answers
1
Same jelly beans from last example. What is P(red or purple) Simplify!
1/2
1/5
2.5
3/10
2
What is the definition of probability?
a result of multiplying
their isn't one
to ratios are equal
a measure of how likely that an event will occur
3
P (event) = number of favorable outcomes
multiplied by the number of possible outcomes
divided by number of possible outcomes
I don't know
divided by 1
4
A spinner has 4 sections: one green, one blue, one yellow, one red. What is P(not yellow)?
1/2
3/4
1/4
5
Independent events are when...
one event affects the outcome of another event
P(events)
a first event does not affect a second event..
events won't help each other out.
6
On a number cube, what is P(odd number)? Simplify!
1/3
4/6
1/2
7
A spinner has 4 sections; 1 red,1 blue,1 orange,1 green,1 yellow. What is P(spinning brown)?
2/8
1/4
0
8
A coin is tossed. What is the probability of the coin landing on heads?
5
.50
1.8
0.75
9
If there is a strong chance that an event will happen then... (hint: two answers are correct)
p=0
P=3/4
p=1
P= 0.75
10
If probability = 1 then the event will definitely happen
I'm lost
False
can't tell
True
11
Experimental probability is based on experimental data.
True
False
12
Probability will always be a number from zero to...
1.5
any number
0.5
1
13
P(red) and P (not red) are...
complementary events
probability
complementary angles
14
Theoretical probability is based on experimental data.
False
True
15
An example of complementary events is...
P(green) and P(not green)
P(A) + P (B)
P(green) + P(yellow)
16
What is the probability that tomorrow is the last day of school?
3/4
1
1/2
0
17
20 jelly beans are in a jar; 6 red, 4 purple, 5 orange, and 5 green. What is P(red)? simplify!
2/5
3/10
1/4
18
If probability = 0 then the event will never happen impossible!
False
I'm lost
True
sometimes
