×

### Let's log you in.

or

Don't have a StudySoup account? Create one here!

×

### Create a StudySoup account

#### Be part of our community, it's free to join!

or

##### By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

18

0

14

# 253 Class Note for STAT 51100 at Purdue

Marketplace > Purdue University > 253 Class Note for STAT 51100 at Purdue

No professor available

These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Get a free preview of these Notes, just enter your email below.

×
Unlock Preview

### Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

COURSE
PROF.
No professor available
TYPE
Class Notes
PAGES
14
WORDS
KARMA
25 ?

## Popular in Department

This 14 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at Purdue University taught by a professor in Fall. Since its upload, it has received 18 views.

×

## Reviews for 253 Class Note for STAT 51100 at Purdue

×

×

### What is Karma?

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 02/06/15
Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Practice Prable ms Devore Chapters 13 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter 1 Pr 22 o A very large percentage of the data values are greater than 0 which indicates that most but not all runners do slow down at the end of the race a The histogram is also positively skewed which means that some runners slow down a lot compared to the others a A typical value for this data would be in the neighborhood of 200 seconds The proportion of the runners who ran the last 5 km faster than they did the first 5 km is very small about 1 or so AUG 2006 Purdue University Fall 2006 Statistics 511 Statistical Methods Dr Levine Ch2 Pr9 a We want to choose all of the 5 cordless and 5 out of 10 others thus the desired probability is 5 10 5 5 252 15 10 3003 0 Fix one group say the cordless phones We want the other two groups represented in the last 5 serviced Thus we choose 5 out of 10 others also we don t want to include the outcomes where the last 5 are all the same So we have 10 5 2 1539 5 when the group is fixed AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 o In general case it becomes 3 10 2 ilt g i Z 5 0 Now we want to choose 2 of the 5 cordless 2 of the 5 cellular and 2 of the corded phones 363 1998 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter 2 Pr 13 PA m A m A3 HA3 13141 m A3 PA2 0 A3 PA1 m A2 0 A3 17 PA1 Ag u A3 PA1 A m Ag PA3 1 13141 u A2 u A3 PA3 1 PA1PA2PA3 PA1 A2 PA1 m A3 PA2 m A3 PA1 m A2 m 143 PA3 75 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter2 Pr 58 0 Just using probability axioms and the definition of conditional probability we find that PA U B m C PA m C U B m 0 PAUBC 130 130 PAnCPBnC PAnBnC 130 PAC PBC PA m BlC AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Problam 71 Chapter 2 at Just note that PA n B 2 103 PA n B PB PM 103 1 PA1 138 PM PB AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Problem 76 Chapter 2 o The desired condition is P at least one opens 1 055 999969 a The next one is P at least one fails to open 1 955 2262 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter 2 Pr 18 a Note that this pr requires the complement concept a Let event A be that the 75 W bulb is selected first Its probability is 1 Then what we need to find is PA PA 1 PA 6 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter 3 Pr 33 oNotethat 9 0 c 9 31 EltXgtZmltxgtzxgczg 21 21 x21 0 It is a wellknown fact from the infinite series theory that 00 1 x21 AUG 2006 quotStatistics 511 Statistical Methods Purdue University Fall 2006 Dr Levine Chaptar 3 Pr 37 a Note that 1 6 1 3 1 EhX E if 2mm 6 2 E 408 551 321 9 At the same time 33 5 286 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter 3 Pr 53 o LetX the number of flashlights that work Let event B battery has acceptable voltage 0 Then P flashlight works P both batteries work PB2 081 n Thus X N Bin10 81 and PX 2 9 PX 9 PX 10 190 819 19031 407 AUG 2006 Statistics 511 Statistical Methods Purdue University Dr Levine Fall 2006 Chapter3 Pr 58 0 Since VX np1 p the only values Of that turn the variance into zero are 1 and 0 Both correspond to the situation where nothing is random 0 Take the derivative of np1 p with respect to p to put it equal to zero to obtain n 2pm 0 This produces p 05 a Note that you need to verify thatp 05 is indeed the point of maximum of the function np1 p AUG 2006 Statistics 511 Statistical Methods Dr Levine Chapter 3 Pr 83 o For twohour period the parameter of the distribution is At 4 2 8 Therefore 3910 88 PX1O e 10 0099 a Fora 30 minute period At 4 2 Therefore 0 2 PX 039 8 25 135 Clearly EX At 2 Purdue University Fall 2006 AUG 2006

×

×

×

### You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

Bentley McCaw University of Florida

#### "I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Kyle Maynard Purdue

#### "When you're taking detailed notes and trying to help everyone else out in the class, it really helps you learn and understand the material...plus I made \$280 on my first study guide!"

Steve Martinelli UC Los Angeles

Forbes

#### "Their 'Elite Notetakers' are making over \$1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!
×

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.