me1233456

12.12.2019 • 

Mathematics

Let x denote the number of canon slr cameras sold during a particular week by a certain store. the pmf of x is

x | 0 1 2 3 4
px(x) | 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 week who buy an extended warranty.

a) what is p(x= 4, y= 2)?
b) calculatep(x=y).
c) determine the joint pmf ofxandy formula
d) determine the marginal pmf ofyas a table.

Ответ:

sweetyus06

05.04.2023

Mathematics

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Step-by-step explanation:

You can observe in the exercise that the equation you need to solve is:

You need to find the value of the variable "x" of this equation. To do this, you need to remember the Addition Property of equality, which states that:

Knowing this, to solve for the variable "x", you must add 5 to both sides of the equation. Therefore, you get this result:

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