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2. The shell of the land snail Limocolaria marfensiana has two possible color patterns: streakedand pallid. Suppose that in a certain population of these snails,

2. The shell of the land snail Limocolaria marfensiana has two possible color patterns: streakedand pallid. Suppose that in a certain population of these snails, 70% of them have streakedshells.

a. If you sample 10 snails at random, what is the probability that exactly 3 of them will

have pallid shells?

b. If you sample 6 snails at random, what is the probability that at most 4 of them willhave streaked shells?

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