The z score that has 70.54% of the distribution area is 9.92
<h3>What is a z-score?</h3>
The z-score is a numerical measurement used in statistics to refer to how much a given value differs from the standard deviation.
For the random variable x, the z-score is;
z = (x - 11)/2
therefore, 70.54% of the area under the curve lies to the right of x,
then the area to the left of x is;
100 - 70.54 = 29.46%
From the standard table, a z-score of -0.54 will yield an area of 29.46% to the left of x.
Therefore, we get;
(x - 11)/2 = -0.54
x - 11 = -0.54(2)
x = 9.92
The z score is 9.92
Learn more about z score here;
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The answer is 9.37 when it is rounded up.
if i helped can i get a brainiest answer please
Answer:
The original price of the tent = $320
Step-by-step explanation:
Let the original price be =$ 
Discount offered = 
% of the orignal price = 
Original price is $80 more than sale price
Discount = Original price - Sale price = $80
So, we have
We need to solve for to find original price
Dividing both sides by 
∴ The original price of the tent = $320
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Inverse both sides
Multiply sides by 4
Subtract sides 8
Done...
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Answer:
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