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ASK THE PROFESSOR FORUM

Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

Ask the Professor Forum

Hi,

I found an error in the homework. This is from chapter 4 problem number 11. The answer should be -.50. I worked it a few times as the answer listed shows -.17. I checked a problem from stats professor that matched. -.17 is not correct.

Thank you,

Julie Cisneros

Posted to STATS 1 on Thursday, December 12, 2013   Replies: 1


Professor Mcguckian
12/12/2013
1:40 PM EST

Hi Julie,

The answer for this problem is -0.17. There is a video which shows how the problem is done in great detail. I have posted it below. You said you checked the video from our site, but in that video it shows the answer is -0.17. Perhaps you are confusing this problem with the example from the lecture notes. That example is not the same because the player loses $6 when he/she rolls a six. In this example, they only lose $4 when they roll a six.

Hope that helps,

Professor McGuckian

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