Let X denote the number of Canon SLR cameras sold during a particular week by a certain store. The pmf of X is123P(x)0.3 0.25 0.150.1 0.2Seventy percent of all customers who purchase these cameras also buy an extended warranty. Let Y denote the number of purchasers during this week who buy an extended warranty.A USE SALT(a) What is P(X = 4, Y = 2)? [Hint: This probability equals P(Y = 2|x = 4) - P(X = 4); now think of the four purchases as four trials of a binomial experiment, with success on a trial corresponding to buying an extended warranty.] (Round your answer to four decimal places.)P(X = 4, Y= 2) = 0.0518(b) Calculate P(X = Y). (Round your answer to four decimal places.)P(X = Y) = 0.4014(c) Determine the joint pmf of X and Y.o ()(0.7)Y(0.7)*-Y - Pl)o ()(0.7)"(0.7)*Y - P;6)o ()(0.7)"(0.3)*-Y - Px,(x)Determine the marginal pmf of Y. (Round your answers to four decimal places.)y12P,V)0.24800.35900.26780.10580.0194You may need to use the appropriate table in the Appendix of Tables to answer this question.

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Let X denote the number of Canon SLR cameras sold during a particular week by a certain store. The pmf of X is 1 2 3 4 0.1 0.2 0.3 0.25 0.15 Seventy percent of all customers who purchase these cameras also buy an extended warranty. Let Y denote the number of purchasers during this w A USE SALT (a) What is P(X = 4, Y = 2)? [Hint: This probability equals P(Y = 2|X = 4) - P(X = 4); now think of the four purchases as four trials of a bind PIY4 Ya ?) a 00518

Let X denote the number of Canon SLR cameras sold during a particular week by a certain store. The pmf of X is 1 2 3 4 0.1 0.2 0.3 0.25 0.15 Seventy percent of all customers who purchase these cameras also buy an extended warranty. Let Y denote the number of purchasers during this w A USE SALT (a) What is P(X = 4, Y = 2)? [Hint: This probability equals P(Y = 2|X = 4) - P(X = 4); now think of the four purchases as four trials of a bind PIY4 Ya ?) a 00518

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.6: Exponential And Logarithmic Equations

Problem 64E

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