The regression equation is 
, and it will take 31 weeks to have $50.00
<u>(a) The linear regression equation</u>
To do this, we make use of a graphing calculator;
From the graphing calculator, we have the following calculation summary:
- The sum of X = 45
- The sum of Y = 83
- Mean X = 4.5
- Mean Y = 8.3
- Sum of squares (SSX) = 82.5
- Sum of products (SP) = 128.5
The regression equation is then represented as:
Where:
and 
So, we have:
Approximate
Approximate
This means that, the regression equation is
<u>(b) Predict the time to have $50.00</u>
This means that:
So, we have:
Subtract 1.29 from both sides
Divide both sides by 1.56
Rewrite as:
Approximate
Hence, it will take 31 weeks to have $50.00
Read more about linear regression models at:
brainly.com/question/14585820
Answer:
165
Step-by-step explanation:
formula is
nCr = n!/(r!(n−r)!)
r= 8 = number of choosing objects from the set
n = 11 = total number of objects in the set
C(n,r)=C(11,8)
=11!/(8!(11−8)!)
! means factorial
factorial means to multiply by decreasing positive numbers.
For example, 8! = 8 ∗ 7 ∗ 6 ∗ 5 ∗ 4 ∗ 3 ∗ 2 ∗ 1 = 40320
=11!/8!×3!
= 165
massedu
The equation rx3+1 can be used to solve the problem,and your answer ends up being 7.
The value of h(8) in h(x)= 6x - 17 is 31
<h3>
</h3>
What are functions:
Functions relate input and output. Therefore, a function takes elements from a set (the domain) and relates them to elements in a set (range).
h(x)= 6x - 17
Let's find h(8)
h(8) = 6(8) - 17
h(8) = 48 - 17
h(8) = 31
learn more on function here:brainly.com/question/15615479?referrer=searchResults
