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slavikrds [6]
4 years ago
15

Students of Keystone/K12! Many points

Mathematics
2 answers:
tatiyna4 years ago
7 0

It is very easy. To find the experimental probability of each, you have to divide the number for each color by 1000. Then, multiply it by 20 to find the amount expected out of 20.

Blue: 307 / 1000 = 0.0307    0.0307 × 20 = 6.14

Green: 642 / 1000 = 0.642   0.642 × 20 = 12.84

Yellow: 51 / 1000 = 0.051       0.051 × 20 = 1.02

dangina [55]4 years ago
4 0

Blue

P(blue) = 307 / 1000 = 0.307

Green

P(Green) = 642/1000 = 0.642

Yellow

P(Yellow) = 51/1000 = 0.051

To make the denominator 20, you are going to have to divide both numerator and denominator by 50. 1000/50 = 20

Blue= 307/50 = 6.14; P(blue) 6.14/20

Green = 642/50 = 12.84; P(blue) = 12.84 / 20

Yellow = 51/50 = 1.02; P(yellow) = 1.02/20

Check

Add these three together

1.02 + 12.84 + 6.14 = 20 as it should.


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Step-by-step explanation:

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8 0
4 years ago
3 students are 15% of what
geniusboy [140]

Answer:

20

Step-by-step explanation:

Calculate 10% of total = 3 / 1.5 = 2

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6 0
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Punch recipe Ginger Ale 40% Orange Juice 25% Pineapple juice 20% Sorbet 15% Question 1: If you have 3 cups of pineapple juice, h
andrew11 [14]

Answer:

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8 0
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Read 2 more answers
Solve the quadratic function using square root X+10x+25 =18
lawyer [7]

Answer:

= − 7 /1 1  in fraction form

Step-by-step explanation:

STEP 1: Multiply by 1

1 + 1 0 + 2 5 = 1 8

+ 1 0 + 2 5 = 1 8                                                                                                                               STEP 2: Combine like terms

+ 1 0 + 2 5 = 1 8

1 1 + 2 5 = 1 8                                                                                                                       STEP 3: Subtract  2 5   from both sides of the equation

11x+25=18

1 1 + 2 5 − 2 5 = 1 8 − 2 5

STEP 4: Simplify  by subtracting the numbers

1 1 + 2 5 − 2 5 = 1 8 − 2 5

11x+25−25=18−25                                                                                                   1 1 = 1 8 − 2 5                                                                                                                                   1 1 =  -7

STEP 5: Divide both sides of the equation by the same term                                                     1 1 = − 7                                                                                                                         11x/ 11x = −7/ 1 1 (set up as a fraction)                                                                       STEP 6: Cancel terms that are in both the numerator and denominator

=  − 7 /1 1                                                                                                                      SOLUTION

=  − 7 /1 1

5 0
3 years ago
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