John flipped a coin 25 times it landed on heads 16 times and tails 9 times.
What is the experimental probability of John getting tails?
9/25
The frequency table below shows the number of hours that 4th and 5th Grade teachers at CSS get every night. How many teachers get the greatest amount of sleep?
4 Teachers
24
4!
The number of outcomes when tossing 2 fair coins.
4
P(5,2)
20
In a room of 30 students, there are 12 girls. The probability of randomly picking a boy on the class list. Write as a fraction.
State theoretical or experimental probability
3/5
Theoretical Probability
The frequency table below shows the number of hours of sleep that 4th and 5th Grade teachers at CSS get every night.
How many teachers receive between 5 and 8 hours of sleep per night?
17 Teachers
120
5!
The number of outcomes from tossing a single fair die and then tossing one fair coin.
12
P(6,2)
30
In a bag of marbles, there are 14 swirled, 20 solid colored, and 16 polka dot marbles. The probability that you would grab a swirled marble written as a simplified fraction.
State theoretical or experimental probability.
7/25
Theoretical Probability
The frequency table below shows the grades that Billy Joe Bob received on math tests throughout the first nine weeks of school.
If a 90 is the average grade on tests in math class, how many times did Billy Joe Bob score below the class average?
12 Times
5040
7!
The number of outcomes when tossing two fair dice.
36
P(6,3)
120
Out of a similar group of 425 visitors to a science museum, predict how many would choose the planetarium as their favorite exhibit.
We would expect about 68 people to say the planetarium is their favorite.
The frequency table below shows the grades that Billy Joe Bob received on math tests throughout the first nine weeks of school.
What is the difference between Billy Joe Bob's most frequent test score and his least frequent test score?
20
5!/2!
60
The number of outcomes when tossing 5 fair coins.
32
C(5,2)
10
Based on the table, if you choose an adult at random, what would be the probability that they would prefer to pay bills online?
P("online")=9/40 or 22.5%
Of the people who have kids, the relative frequency of those who do not have pets.
35%
6!/4
180
A coin is flipped 4 times. How many outcomes are there?
16
C(8,2)
28