Robin needs to determine the number of 2/5-pound servings in 4 2/5 pounds of fish. He calculates that there are 11 servings.
2 answers:
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Answer:
Step-by-step explanation:
For this case we have a linear model given by:
Where X= represent the height.
Y= represent the beats per minute
And the slope is given by and the intercept
We have the mean for x and y given also
And in order to find the best predicted value we just need to replace the value of X= 65, and we got this:
If we want a confidence interval for the response variable when the predictor variable is x, is given by this formula:
And if we replace we got this:
But for this case since we don't have the deviation we can just express it like this.
Answer:
Step-by-step explanation:
The principal, real, root of:
= 0.164316767
All roots:
0.164316767
−0.164316767
0.027 is not a perfect square