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SOVA2 [1]
3 years ago
13

What percent is hall?

Mathematics
1 answer:
nignag [31]3 years ago
6 0

Answer: She will pay more than half the price.

Step-by-step explanation:

Lets say something cost 50$ and it is 40 percent off well

50 times 0.40 since you have to add 2 decimals to the left to get the percent into a decimal and then, 50 *.40 its 20 so 50-20= 30 and half of 50 is 25 so you would pay more than half the price.

Hope i could help!

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Guest ages at a ski mountain resort typically have a right-skewed distribution. Assume the standard deviation (σ) of age is 14.5
ValentinkaMS [17]

Answer: (30.49 years, 42.31 years)

Step-by-step explanation:

The formula to find the confidence interval is given by :-

\overline{x}\pm z^*\dfrac{\sigma}{\sqrt{n}}.

, where \overline{x} = Sample mean

z* = Critical value.

\sigma = Population standard deviation.

n= Sample size.

As per given , we have

\overline{x}=36.4

\sigma=14.5

n= 40

We know that the critical value for 99% confidence interval : z* = 2.576 (By z-table)

A 99 percent confidence interval for µ, the true mean age of guests will be :

36.4\pm (2.576)\dfrac{14.5}{\sqrt{40}}\\\\ 36.4\pm (2.576)2.29265130362\\\\=36.4\pm5.90586975813\\\\\approx36.4\pm5.91\\\\=(36.4-5.91,\ 36.4+5.91)\\\\=(30.49,\ 42.31)

∴ a 99 percent confidence interval for µ, the true mean age of guests  = (30.49 years, 42.31 years)

7 0
3 years ago
What is the value of q?
malfutka [58]
Triangles QST and RST are similar.  Therefore, the following is true:

 q       s
--- = ----   This results in 10q=rs.
 r      10

Also, since RST is a right triangle, 4^2 + s^2 = q^2.
Since QST is also a right triangle, s^2 + 10^2 = r^2.  
            4      s
Also:  ---- = -----    which leads to s^2 = 40
            s      10

Because of this, 4^2 + s^2 = q^2 becomes 16 + 40 = 56 = q^2

Then q = sqrt(56) = sqrt(4)*sqrt(14) = 2*sqrt(14) (answer)


5 0
3 years ago
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You roll an eight-sided die. What is the chance that it will land on either a 2 or a 5? Write your answer as a fraction.​
AleksAgata [21]

Answer:

2/8 and the simplified version is 1/4

Step-by-step explanation:

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3 years ago
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A brother and a sister are in the same math class. There are 8 boys and 10 girls in the class. One boy and one girl are randomly
BigorU [14]

Answer:

the probability is 1/80

Step-by-step explanation:

Readmore at : brainly.com/question/3325543

7 0
3 years ago
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The price of an article with 13% VAT is Rs. 2,034. What is
Jobisdone [24]

Step-by-step explanation:

this will may be helpful for you.

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