Theoretical & Experimental Probability
The theoretical probability of rolling an odd number on a standard number cube as a Fraction?
What is 1/2 or 3/6
Fresman - 2, Sophomores - 3, Juniors - 5 &Seniors - 4
What is the P(senior)?
What is 2/7?
You eat a piece of fruit from a basket of apples, bananas, pears and melons. Later your brother eats a piece of fruit from the basket. Do these represent independent or dependent events?
What is dependent events?
What is the probability that a randomly chosen patient caught a cold and did not exercise?
As a Fraction
Caught a cold | Did not catch | Totals | |
Exercised | 8 | 30 | 38 |
Did not exercise | 10 | 2 | 12 |
Totals | 18 | 32 | 50 |
What is 10/50
What is P(4-wheel drive | pickup truck)?
As a Fraction
2-Wheel Drive | 4-wheel drive | Totals | |
Pick up Trucks | 15 | 33 | 48 |
SUVs | 28 | 24 | 52 |
Totals | 43 | 57 | 100 |
33/48
The probability of tossing 3 tails in a row as a Fraction?
What is 1/8 ?
Find the relative frequency that a student was not involved in a water sport.
Activity | Number of People |
Waterskiing | 12 |
Hiking | 18 |
Canoeing | 13 |
What is 18/43 ?
What is P(A and B) if A and B are independent events, P(A)=0.24 and P(B)=0.15?
Give a decimal Answer
What is 0.036 ?
What is the probability that a randomly chosen patient exercised and did not catch a cold?
As a fraction
Caught a cold | Did not catch | Totals | |
Exercised | 8 | 30 | 38 |
Did not exercise | 10 | 2 | 12 |
Totals | 18 | 32 | 50 |
What is 30/50
What is P(2-wheel drive | pickup truck)?
As a Fraction
2-Wheel Drive | 4-wheel drive | Totals | |
Pick up Trucks | 15 | 33 | 48 |
SUVs | 28 | 24 | 52 |
Totals | 43 | 57 | 100 |
15/48
A bag has 42 red marbles, 15 blue marbles, 3 orange, and 8 green marbles. If a marble is chose at random, what is the probability that the marble is not orange as a fraction?
What is 65/68 ?
Favorite Fruit
Fruit Number of repsonses
apple 12
pear 25
banana 11
What is the relative frequency of choosing a pear?
What is 25/48 ?
At a grocery store, there is a 62/100 chance that a customer will pay with a credit card and a 25/100 chance that a customer will pay with cash. What is the probability that a randomly selected customer will pay with a credit card then cash?
Give answer as a Decimal.
What is 1550/10,000 = .155
What is P(did not exercise and did not catch a cold)?
As a Fraction
Caught a cold | Did not catch | Totals | |
Exercised | 8 | 30 | 38 |
Did not exercise | 10 | 2 | 12 |
Totals | 18 | 32 | 50 |
What is 2/50
What is P(4-wheel drive | SUV )?
As a Fraction
2-Wheel Drive | 4-wheel drive | Totals | |
Pick up Trucks | 15 | 33 | 48 |
SUVs | 28 | 24 | 52 |
Totals | 43 | 57 | 100 |
24/52
A spinner has 4 equal sections. After 12 spins, the spinner landed on section A 4 times, section B 5 times, section C 2 times, and section D 1 time.
What is the experimental probability of the spinner stopping on section A as a fraction?
What is 1/3 or 4/12
One possible result of a situation or experiment
is a(n)......
What is outcome?
Angelo chooses a number from 1 to 10. What is the probability that he chooses an odd number then a multiple of 5?
Give a Decimal Answer.
What is 10/100 or .1
What is P(has red berries | has lobed leaves)?
As a fraction
Lobed | Non-lobed | Totals | |
Red Berries | 12 | 48 | 60 |
No Red Berries | 40 | 0 | 40 |
Totals | 52 | 48 | 100 |
What is 12/52
What is P(SUV | 2-Wheel Drive)?
As a Fraction
2-Wheel Drive | 4-wheel drive | Totals | |
Pick up Trucks | 15 | 33 | 48 |
SUVs | 28 | 24 | 52 |
Totals | 43 | 57 | 100 |
28/43
If the probability of an event occurring is 1/4 , what is the probability of it NOT happening as a Percentage?
75%
The relative frequencies of two of three possible outcomes are 1/2 and 1/3. What is the relative frequency of the third outcome?
What is 1/6 ?
A bag has 9 green balls, 5 blue balls and 11 yellow balls. What is the probability they pull a Green ball then a Blue ball WITHOUT replacement.
Give the Answer as a Percent
7.5%
What is P(has lobed leaves or Non-lobed Leaves) ?
As a Fraction
Lobed | Non-lobed | Totals | |
Red Berries | 12 | 48 | 60 |
No Red Berries | 40 | 0 | 40 |
Totals | 52 | 48 | 100 |
What is 100/100
What is P(pickup truck |4-wheel drive)?
As a Fraction
2-Wheel Drive | 4-wheel drive | Totals | |
Pick up Trucks | 15 | 33 | 48 |
SUVs | 28 | 24 | 52 |
Totals | 43 | 57 | 100 |
33/57