The idea of "natural rights" means that (3 points)
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Out of 150 offsprings born to a gray, 38 offsprings are expected to be blue with short fins
<h3>How to determine the expected number of blue fish with short fins</h3>To do this, we make use of the following representations
- L represents long finned fish
- l represents short finned fish
- g represents the gray fish
- b represents the blue fish
So, we have the following genotypes
Lg, Lb, lg, lb
In the above 4 genotypes, lb represent the blue fishes with short fins
So, the probability of selecting a blue fish with short fins is:
In 150 offsprings, we have:
n = 150
So, the expected value is:
This gives
Evaluate the product
Approximate
Hence, 38 offsprings are expected to be blue with short fins
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