Statistics!

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

• 1/9

• 3/9

• Susan 2

• 5/6

If a cat eats 4 pounds of food in 5 days, how, how many pounds will it eat in 60 days?

• 50
• 48
• 12
• 72

Tags

CCSS.6.RP.A.3B

A container has 1 blue block and 3 yellow blocks. You want to make the probability of randomly selecting a green block equal to 50%. How many green blocks should you add?

• 1 green block
• 4 green blocks
• 10 green blocks
• 5 green blocks

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

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%

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

A local book store kept records of the types of books bought by its customers. The table below shows the results of the survey.

Based on the data, if the store sells 2,250 books next week, how many of the books will be satire or horror?

• 372

• 219

• 591

• 543

Tags

CCSS.7.RP.A.3

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

Find the probability of rolling greater than a 1 on a single die.

• 6/6
• 5/6
• 4/6
• 1/6

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3