Math Probability

Tech Group Corporation accepts 1 of every 20 applicants. What is the probability of NOT being accepted for a job at Tech Group?

• 1%

• 5%

• 19%

• 95%

At Mr. Gonzalez's convenience store, the probability of a student purchasing a cola is 11/20. About how many students would purchase a cola if 280 students come in during one day?

• 130 students

• 178 students

• 126 students

• 154 students

A bag contains 10 green tiles, 15 red tiles, and 25 blue tiles. Jane randomly draws a tile, records the color and replaces the tile. If she does this 75 times, how many times should she expect to draw a green tile?

• 15

• 25

• 18

• Not here

A bag contains 6 red, 5 blue and 4 yellow marbles. Two marbles are drawn, but the first marble drawn is not replaced. What is the probability of selecting a red marble and then a blue marble?

• 2/15

• 6/15

• 1/7

• 5/15

Jeremiah has a coin and a 6-sided die. What is the probability of Jeremiah flipping heads on a coin and rolling a 5 on a die?

• 1/2

• 1/6

• 2/12

• 1/12

What is the probability of NOT rolling an EVEN number on a 6-sided number cube?

• 1 in 2

• 1 in 3

• 1 in 6

• 5 in 6

A spinner has 3 equal sections that are red, blue, and white. What is the probability of NOT landing on a red?

• 1/4

• 2/3

• 1/5

• 1/2

A bag contains 2 silver coins, 2 gold coins, 6 copper coins, and 5 brass coins. A coin is chosen without looking. What is the probability that it will be gold?

• 11/15

• 6/15

• 4/15

• 2/15

In a bag of 40 jelly beans , there are 5 black jelly beans. How many do you predict will be black in a bag of 160 jelly beans?

• 40

• 10

• 20

• 50

George picked some apples at the apple orchard. For every 16 apples he picked, 2 had a worm in it. How many apples can he predict to have a worm if he picks 64 apples?

• 4

• 8

• 16

• 24