Let $X \square \operatorname { Bin } \left( m , p _ { 1 } \right) \text { and } Y \square \operatorname { Bin } \left( n , p _ { 2 } \right)$

question 67

Essay

Let $X \square \operatorname { Bin } \left( m , p _ { 1 } \right) \text { and } Y \square \operatorname { Bin } \left( n , p _ { 2 } \right)$ with X and Y independent variables, and let $\hat { p } _ { 1 } = X / m \text { and } \hat { p } _ { 2 } = Y / \mathrm { n } \text {. Then } \mathrm { E } \left( \hat { \mathrm { p } } _ { 1 } - \hat { \mathrm { p } } _ { 2 } \right) =\underline{\quad\quad}$ ,so $\hat { p } _ { 1 } - \hat { p } _ { 2 }$ is an __________ estimator of $p _ { 1 } - p _ { 2 }$

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Definitions:

ERP

Enterprise Resource Planning, an integrated management software that allows an organization to use a system of integrated applications to manage the business and automate many back office functions.

PaaS

Platform as a Service; a cloud computing model that provides a platform allowing customers to develop, run, and manage applications without dealing with the underlying infrastructure.

SaaS

Short for Software as a Service, it is a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over the internet.

B2C

Business-to-Consumer, a sales model in which businesses sell products or services directly to the final consumer.