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3 years ago

The money used in Tajikistan is called the

Mathematics

1 answer:

pishuonlain [190]3 years ago

7 0

You will receive $21 if you exchanged 66 Somoni.

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A stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days. Can thes

san4es73 [151]

Answer:

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

Step-by-step explanation:

Step:1

Given that a stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days.

Given that the sample proportion

$p^{-} = \frac{131}{252} = 0.5198$

Level of significance = 0.05

Z₀.₀₅ = 1.96

Step:2

95% confidence interval for the proportion of days that IBM stock increases.

$(p^{-} - Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } , p^{-} + Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } )$

$(0.5198 - 1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} } , 0.5198 +1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} })$

(0.5198 - 0.06166 , 0.5198+0.06166)

(0.45814 , 0.58146)

Final answer:-

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

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3 years ago

I NEED THE ANSWER ASAP!! (its for a project)

irina1246 [14]

Answer:

Its a i just took the test

Step-by-step explanation:

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3 years ago

What statement describes the term salary

beks73 [17]

Answer: salary is how much you get paid for working

Step-by-step explanation:

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3 years ago

Solve. 19) A computer sells for $1311. If the sales tax rate is 9.7%, what is the total price?

Alex_Xolod [135]

Answer:

$1438.67

Step-by-step explanation:

$1311 * 0.097 +1311 =1438.67

Hope this helps plz hit the crown :D

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3 years ago

Heeeeellpppp x^5 + 6x + 11x + 6 = 0

Mazyrski [523]

Answer:

The answer for x is

x=0.35262048

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3 years ago

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