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2 years ago

You want to invest in companies belonging to Gispa Group of

Mathematics

1 answer:

Leviafan [203]2 years ago

4 0

Answer:

1.2803

Step-by-step explanation:

According to the Question,

Given That, You want to invest in companies belonging to Gispa Group of 1 Companies, Inc. so you did some research and found out that companies belonging to this group have an average gain of 0.8 percent and a standard deviation of 0.7 percent.

And, a positive percent (gain) means profit and a negative percent means a loss. If you choose 20 companies.

Therefore, We have Average Gain(ц) = 0.8%

Standard deviation(σ) = 0.7%

Number of Companies(n) = 20

So, the probability that the companies are gaining more than 1 percent is

$X_{i}$ = (σ² × n) / ц ⇒ (0.7²×20) / (0.8*10) = 1.2803

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dybincka [34]

Answer:

$D(t)=50(0.8)^t$

Step-by-step explanation:

We are given that

Initially the difference between the cake's and the cooler's temperature ,a=50 degree Celsius

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We have to find the function that gives the temperature difference in degrees Celsius D(t).

We know that

$D(t)=a(1-r)^t$

Substitute the values

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Step-by-step explanation:

Given,

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Step-by-step explanation:

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But I think your question differs than this..

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