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Neporo4naja [7]
2 years ago
12

A company has 200 machines. Each machine has 12% probability of not working.

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
3 0

1) This probability is given by

... C(40,5)·0.12⁵·0.88³⁵ ≈ 0.18665 . . . . . where C(n, k) = n!/(k!(n-k)!)

2) This probability is given by

... 0.88⁴⁰ ≈ 0.00602

3) This is the complement of the probability that all have failed.

... 1 - 0.12⁴⁰ ≈ 1.0000

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At Tom's workplace, the thermometer is reading 86 degrees Fahrenheit.
Kryger [21]

Answer:

16 degrees Celsius, with breaks at 172 degrees Fahrenheit.

Step-by-step explanation:

To calculate 86 degrees in Fahrenheit you need to take the 86 degrees you are given and first mulitply it by 5 over 9 (5/9). That will give you about 48 degrees. To finish solving it for celsius you then need to take your 48 and subtract 32, in which you would get 16. So, the temprature Tom needs to take a break at is 172 degrees Fahrenheit.

7 0
1 year ago
A student received an 82% on an exam. If there were 50 questions on the exam, which ratio would show the number of questions ans
solmaris [256]
Hello!

To solve this we have to find what 82% of 50 is

So we do 50 * 0.82 where 0.82 is 82% as a decimal.

This gives us 41

So the answer is D

Hope this helps!
8 0
2 years ago
Read 2 more answers
What are the domain and range of the function?
wel

Answer: SECOND OPTION

Step-by-step explanation:

By definition the domain is the set of value of the input (x values) shown in the table attached in the problem.

By definition the domain is the set of value of the output (y values) shown in the table attached in the problem.

Therefore, keeping the above on mind, you have:

Domain:{-2,-1,0,1,2,3}

Range:{-8,-1,0,1,8,27}

8 0
2 years ago
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Frank Fitness found a correlation coefficient of -0.74 between hours of strenuous exercise each week and a standard measure of b
Evgen [1.6K]

Answer:

b. strong; negative

Step-by-step explanation:

When a correlation has a value greater than 0.74 or lesser than -0.70, it is classified as a strong correlation.

A negative value for a correlation means a negative (downhill) linear correlation.

Therefore, since the correlation coefficient found by Frank Fitness is -0.74, there is a strong and negative relationship between hours of strenuous exercise and body mass.

8 0
2 years ago
A zookeeper is monitoring the population of birds. The flock needs to have exactly three times more females than males to thrive
KIM [24]

Answer:

The constraints are

0 < x\leq 20  and 0 < y\leq 60

Step-by-step explanation:

Let

x ----> represent the number of male birds

y ----> represent the number of female birds

we know that

The flock needs to have exactly three times more females than males to thrive

so

y=3x ----> equation A

The zoo only has room for a maximum of 20 male birds

so

0 < x\leq 20 ----> inequality B

we know that

The maximum number of male birds is 20

For x=20

substitute in the equation A

y=3(20)=60

so

The maximum number of female birds is 60

so

0 < y\leq 60 ----> inequality C

therefore

The constraints are

0 < x\leq 20  and 0 < y\leq 60

4 0
2 years ago
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