In an area having sandy soil, 40 small trees of a certain type were planted, and another 40 trees were planted in an area having clay soil. Let X = the number of trees planted in sandy soil that survive 1 year and Y = the number of trees planted in clay soil that survive 1 year. If the probability that a tree planted in sandy soil will survive 1 year is 0.5 and the probability of 1-year survival in clay soil is 0.4, compute an approximation to P(-4 sX - Y s 4) (do not bother with the continuity correction). (Round your answer to four decimal places.) A USE SALT 148

In an area having sandy soil, 40 small trees of a certain type were planted, and another 40 trees were planted in an area having clay soil. Let X = the number of trees planted in sandy soil that survive 1 year and Y = the number of trees planted in clay soil that survive 1 year. If the probability that a tree planted in sandy soil will survive 1 year is 0.5 and the probability of 1-year survival in clay soil is 0.4, compute an approximation to P(-4 sX - Y s 4) (do not bother with the continuity correction). (Round your answer to four decimal places.) A USE SALT 148

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Description: In an area having sandy soil, 40 small trees of a certain type were planted, and another 40 trees were planted in an area having clay soil. Let X = the number of trees planted in sandy soil that survive 1 year and Y = the number of trees planted in

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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