# STAT_3360_HW4 - HOMEWORK 4 STAT 3360 FALL 2015 DUE BY...

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Chapter 7 / Exercise 7.36
Introduction to Statistics and Data Analysis
Olsen/Peck
Expert Verified
HOMEWORK 4STAT3360FALL 2015 DUE BY SEPTEMBER 29PLEASE,SUBMIT THIS DOCUMENT AND SHOW YOUR FIRST AND LAST NAME BELOW! STAPLE OR PAPERCLIP YOUR WORK,PLEASE!1PLEASE,READ SECTIONS 7.17.3BEFORESOLVING THESE EXERCISES.SECTION [CIRCLE ONE!=>] 001 002 501 FIRST NAMELAST NAMEPROBLEM 1[30POINTS =5+10+15] THE NUMBER (X)OF CARS SOLD BY A RANDOMLY SELECTED DEALERSHIP IN THE METROPLEX AREA DURING ONE DAY HAS A DISTRIBUTION SHOWN BELOW.X=NUMBER OF CARS SOLDPROBABILITY20.1530.3040.2550.2060.101.DETERMINE THE EXPECTED VALUE OF X.E[X]=2.WHAT IS THE VARIANCE OF X?VAR [X]=3.THE COMMISSION IS DEFINED (IN \$1,000)AS Y=16+5X.FIND THE EXPECTATIONAND VARIANCEOF Y.E[Y]=VAR [Y]=
##### We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
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Chapter 7 / Exercise 7.36
Introduction to Statistics and Data Analysis
Olsen/Peck
Expert Verified
HOMEWORK 4STAT3360FALL 2015 DUE BY SEPTEMBER 29PLEASE,SUBMIT THIS DOCUMENT AND SHOW YOUR FIRST AND LAST NAME BELOW! STAPLE OR PAPERCLIP YOUR WORK,PLEASE!2PROBLEM 2[20POINTS =5+5+5+5]TWO RANDOM VARIABLES,XAND Y,ARE INDEPENDENT.THEIR MARGINAL DISTRIBUTIONS ARE SPECIFIED AS FOLLOWS.