Mathematics, 09.12.2021 19:30 1230bering
power companies severely trim trees growing near their line to avoid power failures due to falling limbs in storms. applying a chemical to show the growth of the trees. suppose that one such chemical would kill 20% of sycamore trees. the power company tests the chemical on 250 sycamores. consider these an SRS from the population of all sycamore trees. use a z-score to calculate the probability that at least 24% of the sample are killed. the probability of this is.
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