Each group of students receives a bag that has 9 red cubes, 5 green cubes, and 11 blue cubes. If each group makes 1000 pulls and
replaces the cube after each pull, how many times would you expect them to draw a blue cube?
2 answers:
Answer:
440 times
Step-by-step explanation:
First you need to find the total number of cubes each student recieves (25)
Now you put it into a ratio 11 : 25
After that make another ratio with 1000 and solve for x
x : 1000
25x = 11000
x = 440
Answer:
440 blues
Step-by-step explanation:
9 red cubes, 5 green cubes, and 11 blue cubes = 25 cubes total
P( blue) = 11/25
To find out how many blue cubes are expected, take the probability and multiply by the number of draws
11/25 * 1000 draws
440 blues
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