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nikklg [1K]
3 years ago
12

x27% of all telephones of a certain type are submitted for service while under warranty. Of these, 63% can be repaired whereas t

he remaining must be replaced under warranty. If a company purchases 10 of these telephones, what is the probability that exactly 2 will end up being replaced under warranty
Mathematics
1 answer:
Molodets [167]3 years ago
3 0

Answer:

  I know the formula and believe I can answer the question, I just want to make sure I'm using the right probability,p from the equation bellow.

Using the equation: p(x)=(nx)px(1−p)n−x. I wanted to know if p=2/10?

Step-by-step explanation:

no steps just answer

You might be interested in
Y
8090 [49]

The area of the triangle will be 24912 sq. units. Square units and other similar units are used to measure area.

<h3>What is the area?</h3>

The space filled by a flat form or the surface of an item is known as the area.

The number of unit squares that cover the surface of a closed-form is the figure's area.

For:

(X1, Y1) = (1, 15)

(X2, Y2) = (-2, 1)

d = 14.317821

For:

(X₂, Y₂) = (-2, 1)

(X₃, Y₃) = (4, 5)

d = 7.211103

For applying the pythogorous them we need the right angle triangle obtained by bisect from the mid point.

The value of the base is;

⇒7.2 / 2

⇒3.6

apply the pythogorous theorem for finding the height;

h² = p² + b²

14.31² = p² + 3.6²

p = 13.84

The area of the triangle is;

\rm A = \frac{1}{2}\times b \times h \\\\ A= \frac{1}{2} \times 3.6 \times 13.84 \\\\ A = 24.912

Hence, the area of the triangle will be 24912 sq. units.

To learn more about the area, refer to the link;

brainly.com/question/11952845

#SPJ1

6 0
2 years ago
Which equation shows y=−12x+4 in standard form?
Tema [17]
The answer is the first option

6 0
2 years ago
Will a 2 quart pitcher hold 8 cups,1/4 cup,and 1/3 cup
Ghella [55]

Yes it will. A 2 quart pitcher is equal to 8 cups, and since 1/4 and 1/3 are less it can still hold it.

8 0
3 years ago
-3b-(-2)=4b-12 show work please ASAP
makvit [3.9K]

Solve the equation:

– 3b – (– 2) = 4b <span>– 12

</span>– 3b + 2 = 4b – 12

– 3b = 4b – 12 – 2

– 3b = 4b – 14

– 3b – 4b = – 14

– 7b = – 14

        – 14
b = ———
         – 7


b = 2   <———   solution.


I hope this helps. =)

3 0
3 years ago
Read 2 more answers
He price of a shampoo, cut, and style at the hairstyling salon where you work is $18.00. You generally get a 20% tip from each c
Marianna [84]

Answer:

total earning is  $64.80

Step-by-step explanation:

Price of one work = $18.00

Payment  by owner = 1/4 of $18.00

                                 = 18/4

                                  = $4.50

Earning by tip =  20% of $18.00 =  20/100 x18 = 3.60

Total earning from one work   =   $4.50+$3.60

                                                = $ 8.10

Earning from 8 tips =  8x8.10

                                = $64.80

                 


4 0
3 years ago
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