of a normal random variable 
:
,
is the z-score of this measurement, 
is the mean of the random normal variable, and
is the standard deviation (the square root of variance) of the random normal variable.
inches.
.
, and
.
. Apply the formula to get the z-score:
.Correct answer only !
the lengths of trout in a lake are normally distributed with a me...
Mathematics, 02.10.2019 02:30 angelaencinas90
Correct answer only !
the lengths of trout in a lake are normally distributed with a mean of 30 inches and a standard deviation of 4.5 inches.
enter the z-score of a trout with a length of 28.2 inches.
Answers: 1
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