Production line workers assemble 15 automobiles per hour

Assignment Help Basic Statistics

Reference no: EM13645493

Production line workers assemble 15 automobiles per hour. During a given hour, four are produced with improperly fitted doors. Three automobiles are selected at random and inspected. Let X denote the number inspected that have improperly fitted doors.

A) What is the sample space of X

B) Write the density for X

C) Find E[X] and Var[X]

D) Find the probability that at most one will be found with improperly fitted doors.

Reference no: EM13645493

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