Suppose a stat 121 professor would like to predict the mean final exam score of the students who obtained 80% on exam 3. What ki
1 answer:
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Answer:
n=601
Step-by-step explanation:
Formula used:
Solution:
Where,
As there is no previous estimate for p
Then, p=0.5
Here on using the table
Also,
E=0.04
p=0.5
Thus,
n=600.2279407
On approximating the value,
n=601
We have been given two vectors and
, we are to find out the scalar and vector projection of
onto
we have and
The scalar projection ofonto
means the magnitude of the resolved component of
the direction of
and is given by
The scalar projection of onto
The Vector projection of onto
means the resolved component of
in the direction of
and is given by
The vector projection of onto
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