# Find r and Lambda from a gamma distribution

1. Suppose that X represents diameter measurements from a gamma distribution with a mean of 3 mm and a variance of 1.5 mm^2. Find the parameters r and Lambda.

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#### Solution Preview

Mean = r/lambda

3 = r/lambda

r = 3 lambda --- (1)

Variance = ...

#### Solution Summary

The Solution provides the parameters r and Lambda.

$2.19