# Algebra2

posted by .

how do you solve this? A dice is rolled twice. What is the probability of getting a multiple of 3 on the first roll or a total of 7?

• Algebra2 -

can you solve this ? Of 1000 students surveyed, 530 were boys and 180 had bicycles. Of those who had bicycles, 30 were girls. What is the probability that a student surveyed was a boy or had a bicycle?

• Algebra2 -

530+30= 560 (all you do is at the total number of boys with the number of bikes girls have)

## Similar Questions

1. ### math

two dice are rolled find the probability of getting a 5 on either dice or the sum of both dice is 5
2. ### biology

One rule of probability can be expressed as the following: The probability of two independent events occurring simultaneously is the product of the probability of their occurring separately. If, for example, you had a pair of dice …
3. ### statistic

roll 2 standard dice and add the numbers. what is the probability of getting a number larger than 9 for the first time on the third roll?
4. ### charle drew high

a number cube is rolled twice. what is the probability of rolling an odd number on the first roll and a multiple of three on the second roll?
5. ### statistics

Roll 2 standard dice and add the numbers. whats the probability of getting a number Larger than 4 for the first time on the third roll?
6. ### Algebra 2

What is the probability when you roll 2 dice and you roll a number greater than 4 on the first dice and a 2 on the second dice?
7. ### Math Probability dice roll

two fair dice are rolled, find the A)odds of getting a 9 B) the odds against getting a 12
8. ### help!!!!! Probability!!!

A fair 6-sided die is rolled twice. The probability that the second roll is strictly less than the first roll can be written as a/b, where a and b are positive, coprime integers. What is the value of a+b?
9. ### Math

At this year's State Fair, there was a dice rolling game. If you rolled two dice and got a sum of 2 or 12, you won \$20. If you rolled a 7,you won \$5. Any other roll was a loss. It cost \$3 to play one game with one roll of the dice. …
10. ### dice probability (math)

if a pair of fair dice is rolled, what is the probability that we roll a total of five if we are given that the total is less than nine?

More Similar Questions