goargrant

16.04.2020 • 

Mathematics

Wildlife biologists believe that the weights of adult trout can be described by a Normal model. They collect data from fishermen, finding that 22% of the trout caught were thrown back because they were below the 2-pound minimum, and only 6% weighed over 5 pounds. Calculate mean and standard deviation of the weight of adult trout?

Ответ:

mateoperkins

25.12.2022

Mathematics

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D

Step-by-step explanation:

1. First find the slope of the two graphs

#1 = 4.5/3

#2 = 2/3

2. Convert the fractions to a denominator of 6

#1 = 9/6

#2 = 4/6

3. Subtract them

9/6 - 4/6 = 5/6

So the answer is D

Step-by-step explanation:

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