Probability
Whats the probablity of getting a 5 when you roll a 6 sided dye.
1/6
If you roll a die 10 times you get a 5,5,3,2,1,6,5,4,7. Whats the relative frequency of getting a 5
3/10
If I told you to pick 2 cards without replacement , what does replacement mean ?
That you didn't put it back in the deck
60/100
60%
What's the difference between probability and relative frequency
Probability is what should happen , relative frequency is what actually happened.
If I told you that your dice were biased , what would that mean?
That the dice favored another number more than expected
A group of 150 people were surveyed , chart on the board. What is the probability of picking a male who doesn't own a car
28/150
4/5
80%
Someone hands you a deck of 52 cards. There are 4 queens what's the probability of drawing a queen out the deck on the first try?
1/13
What is the law of large numbers
even if you dont get it to come out like you expect in a few tries , the more you do it , the closer you will come to the expectation
A spinner with different colored sections was spun 40 times. What's the relative frequency of obtaining an orange
3/20
6/13
nearest hundredth
46.15%
What is the formula for finding probabilty and explain what each letter stands for
L ( number if desired outcomes )/ P ( possible outcomes)
What is the formula for finding relative frequency and explain what each letter means
T ( times it happened ) / R ( times it was tried)
A bag contains some marbles. The probability of picking a blue marble is 3/8. Which of the following could describe the marbles in the bag
A. 3 blue 4 yellow
B. 4 blue 4 orange
C. 2 yellow 3 blue 3 orange
D. 1 red 4 yellow 3 blue
C
9/15
75%
Jeremy has a bag of beads. The bag contains 7 blue beads and 3 yellow beads. 2 beads are selected at random without replacement. Calculate the probability of picking 2 yellow beads
3/10 x 2/9 = 1/15
Create a relative frequency table for the data below. Saniyah flips a coin 16 times.
H, T , T , T , H , H , T ,H , T , H , H , T , H , T , H , T
coin side H T
relative frequency 1/2 7/16
You earn 20 dollars doing chores. Create a table of possible outcomes if your mom was only going to give you 10s and 5s , how many possible solutions will you have ?
10 5s
1. 2 0
2. 1 2
3. 0 4
2 1/4
225%