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untreated seeds were recorded. Suppose the dilution was not effective and only four plants emerged. Let x represent the number of plants that emerged from treated seeds. (Round your answers to four decimal places.) (a) Find the probability that x = 4. (b) Find P(x s 3). (c) Find P(2 ≤ x ≤ 3).

untreated seeds were recorded. Suppose the dilution was not effective and only four plants emerged. Let x represent the number of plants that emerged from treated seeds. (Round your answers to four decimal places.) (a) Find the probability that x = 4. (b) Find P(x s 3). (c) Find P(2 ≤ x ≤ 3).

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
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Seeds are often treated with a fungicide for protection in poor-draining, wet environments. In a small-scale trial, four treated seeds and eleven untreated seeds were planted in clay soil and the number of plants emerging from the treated and untreated seeds were recorded. Suppose the dilution was not effective and only four plants emerged. Let x represent the number of plants that emerged from treated seeds. (Round your answers to four decimal places.) (a) Find the probability that x = 4. (b) Find P(x ≤ 3). (c) Find P(2 ≤ x ≤ 3).
Transcribed Image Text:Seeds are often treated with a fungicide for protection in poor-draining, wet environments. In a small-scale trial, four treated seeds and eleven untreated seeds were planted in clay soil and the number of plants emerging from the treated and untreated seeds were recorded. Suppose the dilution was not effective and only four plants emerged. Let x represent the number of plants that emerged from treated seeds. (Round your answers to four decimal places.) (a) Find the probability that x = 4. (b) Find P(x ≤ 3). (c) Find P(2 ≤ x ≤ 3).
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