Question | Answer |
There is a 90% chance that it will rain. What is the probability that it will not rain? | 10%, 0.1, or 10/100 or 1/10 |
One pen is chosen without looking from a bag that has 3 blue pens, 6 red and 3 green pens. What is the probability of choosing green as a decimal, fraction and percent? | 3/12 or 1/4, 0.25, 25% |
One pen is chosen without looking from a bag that has 3 blue pens, 6 red and 3 green pens. What is the probability of blue or red? Write as a fraction, decimal and percent | 9/12 or 3/4, .75, 75% |
One pen is chosen without looking from a bag that has 3 blue pens, 6 red and 3 green pens. What is the probability of choosing a pen that is not red? | 6/12 or 1/2, 0.5, 50% |
Make a tree diagram for choosing an outfit from a green shirt, blue shirt or red shirt, and black pants or blue pants | green-black-blue
red-black-blue
blue-black-blue |
Create a model: A game requires drawing balls numbered 1-6 for each of five digits to determine the winning number. | example: marbles numbered 1-6 in a bag and draw 5 marbles |
Create a model: There are 25 questions on a test and each question has three options. | example; create a spinner with three sections and spin 25 times |
Create a model: The weather forecast states that there is a 35% chance of rain tomorrow. | example; create a spinner that has two sections. Blue for rain represents 35% of the spinner and yellow for sunny creates the remainder of the spinner. Spin once for tomorrow. |
Use the fundamental counting principle to find the total number of outcomes by rolling two number cubes. | 6*6=36 |
Use the fundamental counting principle to find the total number of outcomes by tossing three coins | 2*2*2=8 |
Use the fundamental counting principle to find the total number of outcomes by picking one consonant and one vowel | 21*5=105 |
Use the fundamental counting principle to find the total number of outcomes by choosing 4,6, or 8 cylinder engine and 2 or 4 wheel drive | 3*2=6 |
p (3,2) | 3*2=6 |
P (6,3) | 6*5*4=120 |
P (9,3) | 9*8*7=504 |
A card is drawn from a deck of 10 cards numbered 1-10 and a number cube is rolled. Find the probability of picking a 10 and rolling a 3 | (1/10)*(1/6)=(1/60) |
A card is drawn from a deck of 10 cards numbered 1-10 and a number cube is rolled. Find the probability of two even numbers | (5/10)*(3/6)=15/60 or 1/4 |
A card is drawn from a deck of 10 cards numbered 1-10 and a number cube is rolled. Find the probability of two numbers less than 4 | (3/10) and (3/6)=(9/60) |