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Rus_ich [418]
3 years ago
6

A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call

can take 1, 2, 3, or 4 hours. The different types of malfunctions occur at the same frequency. (a) Develop a probability distribution for the duration of a service call. x f(x) 1 2 3 4

Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

Answer:

p(1)=p(2)=p(3)=p(4)=0.25

Step-by-step explanation:

-The total number of outcomes is 4.

-Given that the outcomes occur with the same frequency.

-Therefore they all occur with the same frequency, 1/4=0.25

p(1)=p(2)=p(3)=p(4)=0.25

-The probability distribution for the duration of a service call is attached.

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What is the sum of three even consecutive integers is -72
Inga [223]

Answer:

-26,-24,-22

Step-by-step explanation:

<em><u>The correct question is</u></em>

The sum of three consecutive even integers is -72. what are the three numbers

Let

x ----> the first consecutive even integer

x+2 ----> the second consecutive even integer

x+4 ----> the third consecutive even integer

we know that

x+(x+2)+(x+4)=-72

solve for x

3x+6=-72\\3x=-78\\x=-26

so

x+2=-26+2=-24

x+4=-26+4=-22

therefore

the numbers are

-26,-24,-22

7 0
3 years ago
Which would be used to solve this equation? Check all that apply.
puteri [66]

Answer:

multiplying both-side of the equation by 3

substituting 36 for p to check the solution

Step-by-step explanation:

To solve the equation p/3 = 12, we will follow the steps below;

first multiply 3 to both-side of the equation, that is:

p/3 × 3 = 12 × 3

On the left-hand side of the equation, 3 at the numerator will cancel-out 3 at the denominator, leaving us with just p while on the right-hand side of the equation 12 will be multiplied by 3

p= 36

To check the correctness of the equation, we can substitute p = 36 back into the equation and then check, that is;

p/3 = 12

36/3 = 12

This implies p = 36 is correct

3 0
3 years ago
SOS WHAT IS THE SQUARE ROOT OF 144/256?
tangare [24]
The square root is  \sqrt{\frac{144}{256}} = \frac{3}{4} Just square the top and bottom of the fraction. \sqrt{144} = 12 and \sqrt{256} = 16 so we have 12/16 and then we reduce to 3/4
4 0
2 years ago
Read 2 more answers
The Fernandez family drove 273 miles in 5.25 hours. How far would they have driven at that rate in 4 hours?
Vaselesa [24]
The Fernandez family would have driven 208 miles in a rate of 4 hours. 
4 0
3 years ago
Evaluate if a= 28 and b= -3 a/4+b
patriot [66]

Answer:

4

Step-by-step explanation:

divide the numbers


subtract the numbers


final answer:
= 4

8 0
1 year ago
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