the equation is made and the included values are indicated.
Please help! The solution has to be the ordered pair where two lines intersect
2 answers:
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Answer:
Approx: 2.65units
Step-by-step explanation:
Because a rectangular pyramid's base is square, the cross section would be as well
SOLUTION
The mean is 4min
standard deviation is 1min
the z score is
where
then we have
The probability the call lasted less than 3 min will be
Therefore, the probability that (z < -1 ) is
[tex]\begin{gathered} Pr(z<-1)=Pr(0Hence, the percentage of the calls that lasted less than 3 min is 16%