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Monica [59]
3 years ago
5

A bag consist of 4 blue marbles and 6 red marbles. Three marbles are randomly selected from the bag with replacement after each

selection. Twenty five trials are conducted and the results are given by the table. Compare the theoretical and experimental probabilities for the compound event: red marble, red marble, red marble.FIRST ANSWER WILL GET BRAINLIEST!

Mathematics
2 answers:
pantera1 [17]3 years ago
8 0
Im p sure its d
hope this helps
Ugo [173]3 years ago
5 0

Answer:

its C: The event occurred 0.14 less than theoretically expected

Step-by-step explanation:

i just took the test on USA Testprep its right

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3 years ago
Ava bought some pens for $ 2 each and some pencils for $ 1 each. She bought 3 more pens than pencils and spent a total of $ 12.
Rudiy27

Answer:

Step-by-step explanation:

price of 1 pen= $ 2

price of 1 pencil= $1

total money spent= $12

Let the number of pen be a and number of pencil be b.

 2 a + b = 12   ----------------Equation 1

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  a - b = 3   ------------------  Equation 2

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3 years ago
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