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Inga [223]
3 years ago
15

Give the equation of the line below: ​

Mathematics
1 answer:
andriy [413]3 years ago
7 0

Answer:

slope = ⅔

y intercept = -2

so

f(x) =  \frac{2}{3}x - 2

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Many identical bags of candy each contain 20 yellow, 15 red, 5 blue and 10 green candies. 15 children are each given their own c
lana66690 [7]

Answer:

0.9999

Step-by-step explanation:

Each bag has a total of 20 + 15 + 5 + 10 = 50 candies.

Each of the 15 kids get their own back and randomly pick 12 candies (without replacement)

First we are going to calculate the probability that they don't get any green candy.

P (not getting a green candy) = C₄₀,₁₂ /C₅₀,₁₂ .

Therefore, the probability of getting at least one candy is 1 - P(not getting a green candy)

P (getting at least one candy) = 1 - (C₄₀,₁₂/C₅₀,₁₂) = 1 - 0.0460 = 0.954

So the probability that one kid gets at least one green candy is 0.954

But now we need to find the probability that at least two of the 15 kids will each have at least one green candy.

To do this, we can use a binomial distribution where success will be getting at least one green candy with p = 0.954

Fail will be not getting a green candy with p = 1 -0.954 = 0.046.

k = 15

We need at least two kids to have success, so we can do P(at least 2 kids have success) = 1 - (P( X=0) + P (X=1))

P (X=0) =\left[\begin{array}{ccc}0\\15\end{array}\right] (0.954)^{0}(0.046)^{15}=  <u>8.737103395697172336050176 × 10⁻²¹</u>

P(X=1) = \left[\begin{array}{ccc}1\\15\end{array}\right] (0.954)^{1}(0.046)^{14} = <u>2.71799890418318556801908736 × 10⁻¹⁸</u>

Therefore:

P(at least 2 kids have success) = 1 - (P( X=0) + P (X=1))

= 1 - (8.737103395697172336050176 × 10⁻²¹ + 2.71799890418318556801908736 × 10⁻¹⁸) = 0.9999

4 0
3 years ago
2(2x - 4) = 3(x + 4) Please solvvvvvve :'(
Zanzabum
1) 2(2x -4) = 3(x +4)&#10;&#10;&#10;

2) 4x - 8

3) 3x+12

4) 1x - 8 = 12
 
5) 1x = 20

Answer: x = 20
7 0
3 years ago
Read 2 more answers
HELP ME OUT PLEASE !!
nalin [4]

Answer:

5 -10 /8 -(-3)

-5/8+3

-5/11

Step-by-step explanation:

5 0
2 years ago
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What is the factor of this problem?<br> ~plz help cannot get this wrong !
Aleonysh [2.5K]

Answer:

it should be 3x^2 +2

Step-by-step explanation:

3 0
3 years ago
Carlotta has 12 2/3 yd of ribbon to be divided among 19 girls in the cheerleading squad.how much ribbon will each girl get if it
trasher [3.6K]

Answer:

Each girl gets 2/3 yd of ribbon.

Step-by-step explanation:

12 2/3=38/3

(38/3)/19

(38/3)(1/19)

(2/3)(1/1)=2/3

4 0
3 years ago
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