Fish story: according to a report by the u. s. fish and wildlife service, the mean length of six-year-old rainbow trout in the arolik river in alaska is 478 millimeters with a standard deviation of 38 millimeters. assume these lengths are normally distributed. round the answers to at least two decimal places. (a) find the 54th percentile of the lengths.

11.29.

Step-by-step explanation:

We are given that The mean length of six-year-old rainbow trout in the Arolik River in Alaska is 478 millimeters with a standard deviation of 38 millimeters.

We are also given that these lengths are normally distributed.

So, The highest value is at mean .(Refer the attached figure).

Formula :

The 54th percentile of the lengths is 11.29.

d 192

step-by-step explanation:

we find our area to find area we multiply thoses numbers to get our answer so our area is 192

x= 149. 24+7=31. 180-31=149

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