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viktelen [127]
3 years ago
9

An investment portfolio contains stocks of a large number of corporations. Over the last year the rates of return on these corpo

rate stocks followed a normal distribution with mean 9.5% and standard deviation 4.5%. (a)For what proportion of these corporations was the rate of return higher than 16%? (b)For what proportion of these corporations was the rate of return negative? (c)For what proportion of these corporations was the rate of return between 3% and 17%?
Business
1 answer:
saul85 [17]3 years ago
8 0

Answer:

In a normal distribution:

Formula for z value = z = (x – μ) / σ

1) X= 16%

μ= 9.5%

σ= 4.5%

z= 16-9.5/4.5

=1.555 (Look up this score on t he z table)

Probability = 0.9394 (this is the probability of the return being in between 0%-16%, if we want to find the probability of the return being lower than or equal to 16% we have to subtract  0.9394 from 1)

1-0.9394=0.0606=6.06% of the stocks had higher than 16% return.

2) 1) X= 0%

μ= 9.5%

σ= 4.5%

Z= 0-9.5/4.5=-2.11

Probability = 0.0174 = 1.74% of the stocks had a return below 0

3) 3<X>17

μ= 9.5%

σ= 4.5%

Z=3-9.5/4.5=-1.44= 0.0749

z= 17-9.5/4.5= 1.66=0.9515

We have the probability of the stocks that return below 3% (0.0749)

and stocks which return under 17% (0.9515)

In order to find the proportion of stocks between 3% and 17% we will subtract 0.0749 from 0.9515

=0.8766

For 87.66 % of these corporations the rate of return was between 3% and 17

Explanation:

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Answer:

10%; 16%

Explanation:

Given that,

Real GDP in the first quarter of 2016 = $10 billion

Real GDP in the first quarter of 2017 = $11 billion

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Growth rate from the first quarter of 2016 to first quarter of 2017:

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Real GDP growth rate is as follows:

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Hope this helps!!:)

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​Treasurers, Inc., a manufacturer of gift​ articles, uses a single plantwide rate to allocate indirect costs with machine hours
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Answer:

predetermined overhead allocation rate is $228 per hour

Explanation:

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predetermined overhead allocation rate

solution

we know that predetermined overhead allocation rate is express as

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put here value

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How would you characterize Semler's early leadership Style according to the article Leadership That GetsResults? Explain?
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