Vocabulary
How likely something is going to happened
What is Probability
A class has 18 boys and 9 girls. What is the probability that a randomly selected student is a girl?
What is 1/3.
If your rolling 2 dice(each dice is 6 sided) and you roll once And you roll a 2 /1+1 what is the probability of this happening?
What is 1/6 or 3%
Sally is flipping a coin and spinnng a 4 different colored spinner. What is the probability the coin will land on tales and the spinner will land on red?
1/8 or 12.5%
The Probability formula
What is favorable cases/possible cases X 100?
is a possible result from an experiment
What is An outcome
If a single digit is selected at random from the number 224, 839, 287, what is the probability of the digit being even?
What is 2/3
If your rolling 2 dice(each dice is 6 sided) and you roll once And you roll a 3/ 1+2 or 2+1 what is the probability of that happening.
What is 2/36 or 6%
There are 16 big horses and 8 ponies. What is the probability of picking a big horse?
What is 1/2 or 50%?
In a carton of mangos has 25 mangoes and 5 are rotten the probability of a rotten mango is
What is 20%
is any procedure that can be repeated and has a defined result
What is An experiment
A bag contains 24 white balls and an unknown number of red balls. The probability of choosing a red ball at random is 7/31. How many balls are there in the bag?
What is 31
If you’re rolling 2 dice (each 6 sided) and you roll once and you roll an 11 / 6+5, 5+6.
What is the probability of this happening?
What is 2/36 or 6%
A coin is thrown 3 times. The probabilty that at least 1 head is rolled
What is 7/8 or 87.5%
An example of a 100% probability
The sun will rise in the east tomorrow.
It is the number of favorable outcomes to the total number possible outcomes.
What is Theoretical probability
A deck of cards contains cards numbered from 1 to 81. If a card is picked at random, what is the probability of picking a card with a number that is divisible by 5?
What is 16/81
If you roll 2 dice (each 6 sided) and you roll 1 time. You roll a 6 / 1+5, 2+4, 3+3, 4+2, 5+1. What is the probability of this happening?
What is 5/6 or 14%?
In a Pack of 52 cards the probability of drawing a numbered card
What is 9/13 or 69%
What plays a vital role in day to day life
probability
are events that depend on each other
What is Dependent events
There are 28 people in a meeting. The probability that a person chosen at random is a man is?
What is 14
If you roll 2 dice (each 6 sdied) and you roll once. You roll a 7 / 1+6, 2+5, 3+4, 4+3, 5+2, 6+1. What is the probability of this happening?
What is 6/36 or 17%?
The probability of getting 2 heads when 5 different 2 sided coins are tossed
What is 5/16 or 31.25%
One of the best examples of probaility.
What is a coin toss?