Theoretical
Ms. Bova flips a coin 50 times. What is the theoretical probability that she flips heads?
P(flipping heads) = 25/50 = 50%
What was the experimental probability of spinning Orange?
Green: 25
Yellow: 60
Orange: 15
Pink: 50
P(spinning orange) = 15/150 = 1/10 = 10%
At a school assembly 3 out of the first 10 students were wearing spirit wear. Based on this information, if 400 students were at the assembly, then how many students could be expected to be wearing spirit wear?
120
Is this theoretical or experimental probability? Why?
I rolled two six sided cubes 36 times and rolled a sum of 6 three times.
Experimental probability. This is an experiment where the outcomes were observed after 36 trials.
What is the likelihood or flipping green on a standard quarter
impossible
What is theoretical probability?
Theoretical probability is based on what is expected to happen.
define experimental probability
The probability that actually occurs
A box of 30 batteries is checked and two are defective. Based on these results, how many can be predicted to be defective in a box of 120?
8
Is this theoretical or experimental probability? Why?
The probability of getting heads when flipping a coin is 50%.
Theoretical probability. The outcomes of flipping a coin is heads or tails, there is an even chance of flipping heads as there is to tails.
Determine the likelihood if an event has a 0.4 chance or happening.
0.4=40% so unlikely
What is the formula to find the theoretical probability of an event?
P(event) = ( _____ / _____ )
P(event) = number of favorable outcomes
number of possible outcomes
?
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The theoretical probability that you will participate in Track and Field is 2/7. There are about 344 students in your grade. About how many students in your grade will participate in Track and Field?
98
What is the formula to find the experimental probability of an event?
P(event) = ( _____ / _____ )
P(event) = number of times event occurs
total number of trials
3 red 4 green 5 blue and 7 yellow what is the likelihood of drawing yellow or red?
10/19 =0.526=52.76%
likely
I have a pack of Starbursts. There are 38 orange, 13 red, and 25 yellow. What is the probability that I pick an orange one?
38/76 = 1/2 = 50%
Vernon tossed a coin 20 times. The results were 8 heads and 12 tails. What is the experimental probability of tossing heads?
2/5
The numbers 1 -12 are written on a card and placed in a bag. What is the probability that a number divisible by 3 is drawn?
1/3
Give an example of theoretical probability.
Depends on group's answer.
99.999999% is what likelihood
likely
There are 70 marbles in a bag. 15 are blue, 30 are red, 20 are orange and 5 are yellow. What is the probability you would pick a blue marble in simplest form?
15/70 = 3/14 (about 21%)
HOW MUCH GREATER/LESSER OR EQUAL IS THE EXPERIMENTAL PROBABILITY OF ROLLING "c" TO ITS THEORETICAL FROM THE 6-SIDED DIE.
A - 4
B - 8
C - 8
D - 13
E - 9
F - 12
Theoretical: 9/54
Experimental: 8/54
Lesser by 1/54
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CREATE A TREE DIAGRAM TO GET A FREE BOWL!
Your choices for rice are white or brown rice. Your choices for beans are black or pinto beans. Your choices for meat are steak, chicken, and veggies. How many different bowl combinations are available?
12 combinations!
Give an example of experimental probability.
Depends on group's answer.
0.0000000001% is what likelihood?
unlikely