NEED HELP ASAP!The maker of a cell phone screen protector would like to estimate the proportion of customers who file a warranty
1 answer:
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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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Answer:
As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.
Step-by-step explanation:
Mean of the batch:
The mean of the batch is the sum of all values divided by the number of items. So
Mean in the desired interval.
Standard deviation:
Square root of the sum of the difference squared between each term and the mean, divided by the number of items. So
As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.