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Radda [10]
3 years ago
7

Suppose you just received a shipment of twelve televisions. Two of the televisions are defective. If two televisions are randoml

y​ selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not​ work?
Mathematics
1 answer:
Montano1993 [528]3 years ago
7 0
P(both work) = ((10-3)/10)*((10-3-1)/9) = (7/10)*(6/9) = 42/90

<span>P(at least one does not work) = 1 - P(both work) = 1 - 42/90 = 48/90 = 24/45.</span>
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Answer

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Step-by-step explanation:

90 ml =2 parts

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Suzie's Slushes has increasing profits each week during the hot summer months. Suzie finds that each week during the summer her
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Step-by-step explanation:

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3 years ago
Which point could be removed in order to make the relation a function? (–9, –8), (–{(8, 4), (0, –2), (4, 8), (0, 8), (1, 2)}
stepan [7]

We are given order pairs  (–9, –8), (–{(8, 4), (0, –2), (4, 8), (0, 8), (1, 2)}.

We need to remove in order to make the relation a function.

<em>Note: A relation is a function only if there is no any duplicate value of x coordinate for different values of y's of the given relation.</em>

In the given order pairs, we can see that (0, –2) and (0, 8) order pairs has same x-coordinate 0.

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7 0
2 years ago
Read 2 more answers
The production manager is going to present this information to the company's board of directors. Which graph should the manager
viktelen [127]

To best emphasize the number of defects. Manager should use graph 3 (refer the image shown):

If we talk about graph 1, it can also be used but usually we put the time line on the horizontal axis, for the convenience and the quantity to be measured on the y-axis. In the graph 1, the time is placed on the vertical axis (x-axis) so it would not be a good pick for the manager.

Same is the case with graph 2 again we have time on the vertical axis. So it is not a good idea to with graph 2.

Graph 3 could be the best to emphasize the number of defects because first of all time is placed on the horizontal axis and the quantity to be shown is on the vertical axis. Secondly, the range of the vertical axis is less so it is easy to observe the data set on the graph quite distinctively. Therefore, graph 3 is the best pick.

Graph 4 is placed correctly in terms of vertical and horizontal axes but the range of vertical axis is quite high due to which the dispersion or the display of the data is quite compressed and it gets hard to visualize.

3 0
3 years ago
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Please help me if you don't mind work out the problem I'll give you brainly
svp [43]

Answer:

C) Izzy

Step-by-step explanation:

Justin typed 90 words in 2 minute:

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405/9=45 words a minute

45*2=90

Remmy typed 84 words in 2 minute:

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420/10=42 words a minute

42*2=84

Izzy typed 98 words in 2 minutes:

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588/12= 49 words a minute

49*2 = 98

I hope this helps :)

6 0
2 years ago
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