![subject](/tpl/images/cats/mat.png)
Mathematics, 12.04.2021 23:10 StupidityIsKey
The set of life spans of an appliance is normally distributed with a mean Mu = 48 months and a standard deviation Sigma = 8 months. What is the z-score of an appliance that stopped working at 64 months?
Group of answer choices
-2
-1
2
1
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?
Answers: 1
You know the right answer?
The set of life spans of an appliance is normally distributed with a mean Mu = 48 months and a stand...
Questions
![question](/tpl/images/cats/mkx.png)
Arts, 24.12.2021 21:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mir.png)
World Languages, 24.12.2021 21:50
![question](/tpl/images/cats/mat.png)
Mathematics, 24.12.2021 21:50
![question](/tpl/images/cats/istoriya.png)
History, 24.12.2021 21:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.12.2021 21:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.12.2021 21:50
![question](/tpl/images/cats/istoriya.png)
History, 24.12.2021 21:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.12.2021 22:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 24.12.2021 22:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.12.2021 22:00