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Lerok [7]
2 years ago
14

Company F sells fabrics known as fat quarters, which are rectangles of fabric created by cutting a

Mathematics
1 answer:
marysya [2.9K]2 years ago
8 0

Based on the information given, it should be noted that the mean and standard deviation of Y will be 0.4899 and 0.699 respectively.

<h3>Calculating the mean.</h3>

Based on the information given, it should be noted that the probability distribution for y will be:

Y                   0        1.         2

Probability 0.63.   0.25.   0.12

The mean of Y will be:

= (0 × 0.63) + (1 × 0.25) + (2 × 0.12)

= 0 + 0.25 + 0.25

= 0.49

The variance will be 0.4899. Therefore, the standard deviation will be:

= ✓0.4899

= 0.699

Learn more about mean on:

brainly.com/question/19243813

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lisov135 [29]

This problem is just try and error.

First we try number 2.5 since its the average of all the answers.

2.5^2=6.25

This is smaller than 7 so the answer is either 2.6 or 2.8

Now let's try 2.7

2.7^2=7.29

Which is bigger than 7 and that means the correct answer is 2.6 :)

5 0
3 years ago
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Simplify 6x + 6 + 5x - 8. <br> 11x - 2 <br> 11x + 2<br> 9x
andriy [413]
11x-2; SInce you have to add 6x and 5x because they are 'like terms' meaning they share the same variable. You also add the 6 and the -8, which is basically doing 6-8, which equals -2. So, you put these two numbers together to get an expression of 11x-2.
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3 years ago
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What is the slope of the line with the points of (100,120) (50,95)
kifflom [539]
M= 95-120 / 50-100 = -25 / -50 = 1/2 

I used the formula m= y2 - y1 / x2 - x1 
7 0
3 years ago
The Cheer Squad is raising money to pay for their trip to the State Finals. They already have $1200 and they are selling really
Vlad [161]

Answer:

10c + 1200 ≥ 3000, c≥ 180

Step-by-step explanation:

We know that they need at least $3000; meaning, it may be $3000 or more. This leaves us with eliminating the bottom two choices.

We then look at the first two choices. If we were to subtract from 1200, we would not know the total income amount that has been gained. It would also eventually give us negative numbers. We cannot have a negative amount earned. Instead, we would use the 10c+1200 because this would allow us to visualize that it needs to be greater than or equal to 3000

8 0
3 years ago
Please I need to know if its true or false please lmk!!!​
Papessa [141]

Answer:

False

Step-by-step explanation:

<u>According to the complex conjugate root theorem:</u>

if a complex number is a root of a polynomial, its conjugate is also the root of the polynomial

We are given all the roots of the polynomial and there is only one complex root

Since according to the complex conjugate root theorem, there can be either none or at least 2 complex roots of a polynomial

We can say that this set of roots of a polynomial is incorrect

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3 years ago
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