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Kaylis [27]
3 years ago
11

Please answer :) ( Will give brainlst)

Mathematics
1 answer:
denis-greek [22]3 years ago
6 0

Answer:

3. c 4. b  5. a

Step-by-step explanation:

i did the math

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The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standard deviation
antiseptic1488 [7]

Answer:

P(X>30000)=P(\frac{X-\mu}{\sigma}>\frac{30000-\mu}{\sigma})=P(Z-2)

And we can find this probability using the complement rule and the normal standard distribution

P(z>-2)=1-P(z

Step-by-step explanation:

Let X the random variable that represent the starting salaries of individuals with a MBA of a population, and for this case we know the distribution for X is given by:

X \sim N(40000,5000)  

Where \mu=40000 and \sigma=5000

We are interested on this probability

P(X\geq 30000)

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

Using this formula we got:

P(X>30000)=P(\frac{X-\mu}{\sigma}>\frac{30000-\mu}{\sigma})=P(Z-2)

And we can find this probability using the complement rule and the normal standard distribution

P(z>-2)=1-P(z

6 0
3 years ago
Statistics question, please help.
Leto [7]
Answer will be C y=-x+6
Why?
The line or scatterpoints are going down from left to right which means it is a negative slope
As you can see one point is at 1,5 and the other is at 0,6 which means the slope goes down by 1
Giving you -x
What is the y intercept?? It is 6 so that completes the line equation
Y=-x+6 hope that helps
8 0
3 years ago
Read 2 more answers
Ruben bought 2 large popcorn buckets and 4 small drinks for $20. Lucia bought 2
Korolek [52]

Answer:

4$ for large 3$ for a small

Step-by-step explanation:

7 0
3 years ago
A rectangular carpet has a perimeter of 244 inches. The length of the carpet is 90 inches more than the width. Determine the dim
RSB [31]

Answer:

The dimensions of rectangle are:

Width = 16 inches

Length = 106 inches

Step-by-step explanation:

Perimeter of rectangle = 244 inches

Let Width of rectangle = w

Length of rectangle = w+90

We need to find the dimensions (length and width) of the carpet

The formula used will be: Perimeter=2(length+width)

Putting values and making equation:

244=2w+2(w+90)\\Solving:\\244=2w+2w+180\\244=4w+180\\Switching\:sides\\4w+180=244\\Subtracting\:180\:from\:both\:sides\\4w=244-180\\4w=64\\Dividing\:both\:sides\:by\:4\\\frac{4w}{4} =\frac{64}{4}\\w=16

So, we get w = 16

The width w = 16 inches

Now, finding length = w+ 90 = 16+90 = 106 inches

Therefore the dimensions of rectangle are:

Width = 16 inches

Length = 106 inches

4 0
3 years ago
7. Which of the following is an example of a
Klio2033 [76]
By looking at the answer a is eliminated by default since it is not between 6 and 7 which also eliminates e. now you’re left with b and c and you have to remember the definition of an irrational number (in short, it’s a number that never ends) which would leave you with c
3 0
3 years ago
Read 2 more answers
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