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Grace [21]
3 years ago
13

You randomly choose one of the tiles. Without replacing the first tile, you randomly choose a second tile. Find the probability

of the compound event. Write your answer as a fraction or percent rounded to the nearest tenth. The probability of choosing a green tile and then a blue tile is

Mathematics
1 answer:
gtnhenbr [62]3 years ago
4 0

See attached picture for the missing image required to answer the question.

Answer: 4/21

Step-by-step explanation:

Total number of tiles(possible outcomes) = 7

Number of green tiles(required outcomes) =2

Number of Blue tiles(required outcomes) = 4

Recall :

Probability (P) = Required outcome / total possible outcomes

First pick (without replacement) :

P(picking a green tile) = 2/7

Second pick :

Tiles left after first pick = 6

P(picking a blue tile) = 4/6 = 2/3

Compound probability :

P(picking a green tile) × p(picking a blue tile)

(2/7) × (2/3) = 4/21

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the reason we call it linear, is that all solutions (x, y) to this equation, when plotted in the x-y axis, form a line.

To draw this line, 2 points are enough, that is 2 solutions (x, y) of the equation.

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-2x+5y-10=0 is a linear equation (a=-2, b=5, c=-10)


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