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leonid [27]
3 years ago
11

Whats the probability of getting 1 or 3 fives on 10 rolls of a fair die?

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

Answer:

chance the odds are forever in your favor

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A random sample of 84 students at a university showed an average age of 22 years and a sample standard deviation of 3 years. Fin
Debora [2.8K]

Answer:

The margin of error for the 94% confidence interval is 0.6154.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean is:

CI=\bar x\pm z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

The margin of error of this interval is:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

The critical value of <em>z</em> for 94% confidence level is, <em>z</em> = 1.88.

Compute the margin of error for the 94% confidence interval as follows:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

          =1.88\times\frac{3}{\sqrt{84}}\\\\=0.6154

Thus, the margin of error for the 94% confidence interval is 0.6154.

7 0
3 years ago
Find m a 24.7<br> b 79.2<br> c 68.3<br> d 57.4<br> e 46.5<br> f 80.1<br> g 35.6
kogti [31]

Answer:

68.3 degrees

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan I = opp side / adj side

tan I = sqrt(82) / sqrt(13)

tan I = sqrt(82/13)

Taking the inverse tan of each side

tan ^-1 ( tan I) = tan ^-1( sqrt(82/13))

I = 68.2892

Rounding to the nearest tenth

I = 68.3 degrees

8 0
3 years ago
Simplify picture down Below ​
krok68 [10]

Answer:

x^{2}  

I hope this helps!

7 0
3 years ago
Pls help me Find the correct answer
IrinaK [193]
I believe the answer would be D, 2y+6/9y-7 x 3/2 because dividing by a fraction is the same as multiplying by its reciprocal (the fraction flipped). 
Hope I helped! ;)
6 0
3 years ago
Read 2 more answers
Find the area of each figure. Round to the nearest tenth if necessary
iren [92.7K]
All you have to do is add them up so the answer would be 13.5
8 0
3 years ago
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