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Kazeer [188]
3 years ago
9

This is kinda urgent, pls answer with work shown ;-;

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

the answer is 13. 6 is the correct answer

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Assume the random variable X is normally distributed, with mean = 54 and standard deviation o = 8. Find the 15th percentile.
laila [671]

Answer:

45.712

Step-by-step explanation:

We need to find the Zscore of the area of 15 percent of the distribution ; using a Z table or calculator ;

Zscore of 15% of the distribution is : - 1.036

Using the Zscore formula :

Zscore = (x - mean) / standard deviation

Where, x = score

-1.036 = (x - 54) / 8

Cross multiply

-1.036 * 8 = x - 54

-1.288 = x - 54

x = - 8.288 + 54

x = 45.712

3 0
3 years ago
The owner of a deli gathered data about the number of flavored bagels and plain bagels sold during the first hour of business fo
Semenov [28]

Answer:

87

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hank has 50 peso, 200 peso and 500 peso bills in his wallet. He has five less 200 bills as 50 bills, and half as many 500 bills
Varvara68 [4.7K]

For an amount of 6250 Peso, Hank have the quantities of the following denominations: 2503 bills of 50 peso, 2498 bills of 200 peso and 1249 bills of 500 peso.

<h3>How to apply systems of linear equations in real life equations</h3>

In this question we must translate the statement of the problem into mathematical expressions and then we must solve the resulting system. We need three equations that describe the quantities of 50 peso, 200 peso and 500 peso bills:

<em>y = x - 5</em>     (1)

<em>0.5 · y =</em> <em>z</em>    (2)

<em>x + y + z = 6250</em>     (3)

The solution of the system of <em>linear</em> equations is described below:

<em>x =</em> 2503, <em>y =</em> 2498, <em>z =</em> 1249

For an amount of 6250 Peso, Hank have the quantities of the following denominations: 2503 bills of 50 peso, 2498 bills of 200 peso and 1249 bills of 500 peso. \blacksquare

To learn more on systems of linear equations, we kindly invite to check this verified question: brainly.com/question/20379472

8 0
2 years ago
Answer ASAP Please answer below
Marta_Voda [28]

carbon and it has 4 valence electrons

3 0
4 years ago
the names of 11 boys and 6 girls from your class are put into a hat. what is the probability that the first two names chosen wil
zloy xaker [14]

Answer:

25%

is that what you were looking for?

6 0
3 years ago
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