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lianna [129]
3 years ago
7

-5 + 6 answer this question for 30 points

Mathematics
2 answers:
BabaBlast [244]3 years ago
6 0

Answer:

-5/6 ___ -0.1

Step-by-step explanation:

Viktor [21]3 years ago
5 0
-5+6 = 1. This is the answer. Thank you
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.711 rounded to the nearest tenth
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Salaries for various positions can vary significantly depending on whether the company is in the public or private sector. The U
DIA [1.3K]

Answer:

a) 0.004

b) 0.9609                                                

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 76503

Standard Deviation, σ = 8850

We are given that the distribution of annual salaries is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

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= 1 - P(z \leq 2.655)

Calculation the value from standard normal z table, we have,  

P(x > 100000) = 1 - 0.996 = 0.004  = 0.4\%

b) P(sample mean annual salary falls between 70,000 and 80,000 dollars)

Sample size, n = 20

Standard error due to sampling =

\dfrac{\sigma}{\sqrt{n}} = \dfrac{8850}{\sqrt{20}} = 1978.92

P(70000 \leq x \leq 80000) = P(\displaystyle\frac{70000 - 76503}{1978.92} \leq z \leq \displaystyle\frac{80000-76503}{1978.92})\\\\ = P(-3.286 \leq z \leq 1.767)\\\\= P(z \leq 1.767) - P(z < -3.286)\\=0.9614 - 0.0005= 0.9609 = 96.09\%

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3 years ago
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zepelin [54]

Answer:

The asnwer is 83.6 :)

Step-by-step explanation:

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Find the area of the figure. Round to the nearest hundredth where necessary.<br> 24 m<br> 28 m
aniked [119]

\bold{ANSWER:}
629.94 m^2

\bold{SOLUTION:}

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