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Stels [109]
3 years ago
15

What does the symbol in the image on number 39 mean

Mathematics
1 answer:
anastassius [24]3 years ago
5 0

Answer:

It means direct sum.

Step-by-step explanation:

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Advocard [28]

Answer:

The answer is 9

Step-by-step explanation:

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2 years ago
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Box A has 14 black pens and 6 blue pens box B has 9 black pens and 3 blue pens a pen is randomly chosen from each box list these
earnstyle [38]

Answer:

The list of these events from least likely to most likely is Blue-Blue -> Black-Blue -> Blue-Black -> Black-Black

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Possible outcomes:

Black - Black

Black - Blue

Blue - Black

Blue - Blue

Probability of each outcome:

Black-Black:

14 out of 20, and then 9 out of 12. So

P_{BkBk} = \frac{14}{20} \times {9}{12} = \frac{14*9}{20*12} = \frac{126}{240}

Black-Blue:

14 out of 20, then 3 out of 12. So

P_{BkBl} = \frac{14}{20} \times {3}{12} = \frac{14*3}{20*12} = \frac{42}{240}

Less likely than black-black.

Blue - Black:

6 out of 20, then 9 out of 12. SO

P_{BlBk} = \frac{6}{20} \times {9}{12} = \frac{6*9}{20*12} = \frac{54}{240}

More likely than black-blue, less likely than black-black.

Blue - Blue

6 out of 20, then 3 out of 12

P_{BlBl} = \frac{6}{20} \times {3}{12} = \frac{6*3}{20*12} = \frac{18}{240}

Least likely of the outcomes.

List these events from least likely to most likely:

The list of these events from least likely to most likely is Blue-Blue -> Black-Blue -> Blue-Black -> Black-Black

6 0
3 years ago
How do I turn -6.3 into a fraction?
evablogger [386]
-6.3 into a fraction is -6 and 3/10. its a mixed number!
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2 years ago
Heights of female students at ohs follows a normal distribution that has a mean of 65.2 inches with a standard deviation of 2.1
Murljashka [212]

Answer:

Ok... is this supposed to be a question??

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2 years ago
What is the solution to
Anarel [89]

All my work is shown in the image.


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3 years ago
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