3 years ago

I need help with this and please tell me how you got it

1 answer:

6 0

Answer :
To get from x to y you have to divide by 2
Therefore the answer is
Tn = x ➗2
Or
1/2 x ( half of x )

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Answer:

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Zigmanuir [339]

Answer:b

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Alex Ar [27]

2.77*10^3+1.04^10^4
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3 years ago

Ugo [173]

Answer: 0.0475

Step-by-step explanation:

Given : A firm’s marketing manager believes that total sales X can be modeled using a normal distribution.

Where , Population mean : $\mu=2.5\text{ million}=2.5\times1000000=2500000$

Standard deviation : $\sigma=300000$

To find : Probability that the firm’s sales will exceed $3 million i.e. $ 3,000,000.

∵ $z=\dfrac{x-\mu}{\sigma}$

Then , for x= 3,000,000

$z=\dfrac{3000000-2500000}{300000}=1.67$

Then , the probability that the firm’s sales will exceed $3 million is given by :-

$P(z>1.67)=1-P(z$

Hence, the probability that the firm’s sales will exceed $3 million = 0.0475

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3 years ago