Probability
What's the probability of landing on heads when you flip a coin? ***Fraction only
1/2
x + 8 = 20
x = 12
Write 3/4 as a decimal
0.75
2 = 4
----- ------
10 x
x = 20
Simplify 4/8
1/2
What's the probability of choosing a month out of the year that starts with J? ***Fraction only
3/12 OR 1/4
x + 15 = 30
x = 15
Write 0.25 as a percent
25%
3 = 6
------ ------
2 x
x = 4
Simplify 10/50
1/5
What are the two types of probability?
Experimental & Theoretical
5x = 25
x = 5
Write 1/5 as a decimal
0.2
5 = 10
----- -----
10 x
x = 20
Simplify 4/12
1/3
Dean Privott has a stack full of 25 referrals. 4 of them belong to Unique, 6 of them belong to Mikayla, 5 of them belong to Eyanna, and 10 of them belong to Dennis. What's the probability of choosing a referral belonging to Mikayla? *** Fraction & percent.
6/25 24%
50x = 150
x = 3
Write 1/4 as a decimal & percent
0.25 and 25%
8 = 4
----- -----
6 x
x = 3
Simplify 6/24
1/4
What's the probability of rolling a number less than 5 on a dice? *** Fraction, decimal, & percent
4/6 0.66 66%
3x - 12 = 18
x = 10
Write 4/6 as a decimal and percent
0.66 and 66%
15 = 9
------ ------
12 x
x = 7.2
Simplify 100/1000
1/10