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Answer:
The required amount of mice is 11.82 gram.
Step-by-step explanation:
Given : Assuming that it is known from previous studies that σ = 4.5 grams. If we wish to be 95% confident that the mean weight of the sample will be within 3 grams of the population mean for all mice subjected to this protein diet.
To find : How many mice should be included in our sample?
Solution :
The formula used in the situation is
Where, z value at 95% confidence interval is z=1.96
gram is the mean of the population
gram is the standard deviation of the sample
Substituting the value, to find x sample mean
Therefore, The required amount of mice is 11.82 gram.
So what you have is this:
y = -65x + 1000
this is a form of
,
where
is the slope and 
is the y-intercept of the linear relationship.
so, -65 is and 1000 is the
It should be a piece of cake from there :D
y = -65x + 1000
this is a form of
where
so, -65 is
It should be a piece of cake from there :D