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iren [92.7K]
3 years ago
15

Suppose that commercial airplane crashes in a certain country occur at the rate of 2.5 per year. what is the probability that fo

ur or more crashes will occur next year?
Mathematics
1 answer:
lesya [120]3 years ago
4 0
The poisson distribution applies here.
\lambda=2.5
P(X=4)=\frac{e^{-2.5}\times2.5^{4}}{4!}=0.134
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PLEASE HELP!! What is the slope of the line on the graph?
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Answer:

2

Step-by-step explanation:

Slope formula is the difference of the y values divided by the difference of x values. Choose to points. I chose (-2,-1) and (0,3). 3-(-1) is equal to 4. 0-(-2) is equal to 2. 4 divided by 2 is two.

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What is the property used for 0+91=91
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<u><em>The additive identity property </em></u>. . . is being used here because no matter what the value is, whenever you add zero (0) to it, you'll always get the value your started with.
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Which statement is true about this data set?<br> 3,1, 6, 4, 4, 4, 3, 2, 5, 3
Kobotan [32]

Answer:

What statements?

Step-by-step explanation:

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3 years ago
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I NEED HELP ASAP AWARD BRAINLIEST
kvv77 [185]

The value of x from the given diagram is 17

<h2>Vertically opposite angles</h2>

From the given diagram, m<2 and m<3 are vertically opposite since they form angles from the intersection of lines at the point X

Given that;

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  • m<3 = 5x - 15

Equate both expressions to have:

m<2 = m<3

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Learn more on vertical angles here; brainly.com/question/1673457

6 0
2 years ago
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Determine whether each sum, difference, product,
PIT_PIT [208]

Answer:

28. The difference represents an irrational number

29. The difference represents a rational number

30. The quotient represents a rational number

31. The quotient represents an irrational number

Step-by-step explanation:

* Lets explain how to solve the problem

- The rational number is any numbers can be put in the form of a/b,

  where a and b are integers b ≠ 0

- Ex: 1 , 2/3 , 5/4 , 22/7 , 100 , ................

- The irrational number is any number that is not rational

- It is a number that cannot be written as a ratio of two integers

 or cannot be expressed as a fraction

- Ex: √2 , √7 , π ,  ..... (π is irrational because it's approximated value)

- If the part of the the number is irrational, then the number

 is irrational

- Ex: (5 + √3) , (√7 + 5) , 2√5 , √11/4 , 5/√13

* Lets solve the problems

28. \frac{6}{23}-\frac{\sqrt{2}}{2}

∵ √2/2 is an irrational number

∵ One term is an irrational number

∴ The difference represents an irrational number

29. \frac{6}{23}-\frac{15}{127}

∵ The two terms are rational numbers

∴ The difference represents a rational number

30. \frac{6}{23} ÷ \frac{15}{127}

∵ The two terms are rational numbers

∴ The quotient represents a rational number

31. \frac{6}{23} ÷ \frac{\sqrt{2}}{2}

∵ √2/2 is an irrational number

∵ One term is an irrational number

∴ The quotient represents an irrational number

7 0
4 years ago
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