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tensa zangetsu [6.8K]
3 years ago
14

Four numbers from the set 0 to 9, including 0 and 9, are used to create a personal identification number. Once a number is used,

it cannot be reused. How many possible outcomes exist for the situation? How many possible outcomes begin with a 0? What is the theoretical probability of choosing a personal identification number that begins with a 0?
Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

Four numbers from the set 0 to 9, including 0 and 9, are used to create a personal identification number. Once a number is used, it cannot be reused.

How many possible outcomes exist for the situation? 5040

How many possible outcomes begin with a 0? 504

What is the theoretical probability of choosing a personal identification number that begins with a 0? .1

Hope this helps! Brainliest plz

Novay_Z [31]3 years ago
5 0
Possible outcomes: 5040 
Possible to begin with a 0: 504
Theoretical probability: 0.1

These are the correct answers



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A product is made up of components A, B, C, D, E, F, G, H, I, and J. Components A, B, C, and F have a 1/10,000 chance of failure
Svetach [21]

Answer:

The overall reliability is 99.7402 %

Step-by-step explanation:

The overall reliability of the product is calculated as the product of the working probability of the components.

For components A,B,C and F we have :

P(failure)=\frac{1}{10000}

⇒

P(Work)=1-\frac{1}{10000}=\frac{9999}{10000}=0.9999

For components D,E,G and H we have :

P(failure)=\frac{3}{10000}

⇒

P(Work)=1-\frac{3}{10000}=\frac{9997}{10000}=0.9997

Finally, for components I and J :

P(failure)=\frac{5}{10000}

⇒

P(Work)=1-\frac{5}{10000}=\frac{9995}{10000}=0.9995

Now we multiply all the working probabilities. We mustn't forget that we have got ten components in this case :

Components A,B,C and F with a working probability of 0.9999

Components D,E,G and H with a working probability of 0.9997

Components I and J with a working probability of 0.9995

Overall reliability = (0.9999)^{4}(0.9997)^{4}(0.9995)^{2}=0.997402

0.997402 = 99.7402 %

6 0
3 years ago
Azul is making space for the pool table that will go in the game room. The scale drawing shows the length of the table as 2 inch
tensa zangetsu [6.8K]
Answer: The length of the pool table is 8 feet.

1. 1 inch on paper = 4 feet in person
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3 years ago
In the diagram, ABC is a straight line such that AB = 6.8 cm,BC=17.6cm,BD=8.8
grandymaker [24]

Answer: a.= 28.2°, b= 13.6cm, c = 3.2cm.

Step-by-step explanation:

8 0
3 years ago
The vertex of this parabola is at (3,5). When the Y value is 6X value is negative one what is the coefficient of the squared ter
iren2701 [21]

We know that equation of a parabola is given by :-

y = a(x-h)² + k

Where (h,k) is the vertex of parabola and (x,y) is any point on its curve.

Given that vertex of parabola is (3,5) and one point (x,y) is (6,-1).

We can plug the given information in the equation of parabola and solve it for value of 'a' :-

-1 = a(6 - 3)² + 5

-1 = a(3)² + 5

-1 = 9a + 5

9a = -1 -5 = -6

a = \frac{-6}{9} = \frac{-2}{3}

a = \frac{-2}{3} is the final answer.

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Answer:

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