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katrin2010 [14]
3 years ago
11

3.42

Mathematics
1 answer:
taurus [48]3 years ago
7 0

Answer:

105

Step-by-step explanation:

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Considering a discrete distribution, it is found that the expected number of new employees to be hired by the​ airline is of 446.16.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

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The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre
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<u>Answer: </u>

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

<u> Solution: </u>

Given that current population of city is 27900.  

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

=x-\frac{38}{100} \times x

=\frac{100 x-38 x}{100}

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So current population is \frac{31 x}{50}

Equating above expression to the given value of current population, we get

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x=\frac{27900 \times 50}{31}

x=45000

Hence previous population of city was 45000.

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