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Elena L [17]
3 years ago
7

The table shows the results of randomly selecting colored marbles from a bag 40 times. The marble was returned to the bag after

each selection. Based on the results, what is the expected probability of randomly selecting a green marble from the bag in one attempt?
A: 0.125
B:0.20
C: 0.80
D:1.0

Mathematics
1 answer:
Rom4ik [11]3 years ago
5 0

Answer:

Item 23 The table shows the results of randomly selecting colored marbles from ... Are you an educator? ... The marble was returned to the bag after each selection . ... results, what is the expected probability of randomly selecting a green marble ... A . 0.125 B . 0.20 C . 0.80 D . 1.0 Item 24 The six sides of a number cube are ...

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Persons taking a​ 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a
mihalych1998 [28]

Answer:

y = 4.125x + 496.25

Step-by-step explanation:

Set the data up as points. Then deal with the points.

Givens

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(70,785)

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y1 = 620

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Formula

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Solution

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===================

Now you need the y intercept. Either one of the two given points will give you that.

y = 620

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m = 4.125

y = mx + b

620 = 4.125*30 + b

620 = 123.75 + b

620 - 123.75 + b

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Hi! From what I know, your answer should be 5n = 1.75.

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