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QUESTION
The shell of the land snail Limocolaria martensiana has two possible color forms. streaked and pallid. In a certain population of these snails, 60%...
The shell of the land snail Limocolaria martensiana has two possible color forms. streaked and pallid. In a certain population of these snails, 60% of the individuals have streaked shells. Suppose that a random sample of 10 snails is to be chosen from this population.(1) What is the mean number of streakedâshelled snails?(2) What is the standard deviation of the number of streakedâshelled snails?
