Question
need help with C and D questions thank you
1. A bus leaves every 25 minutes. Let X be the number of minutes you have to wait at a bus stop, which is written as X U[0,25
1fx(x)dx, show that the mean (c) Using the definition formula, E[X]-S to wait until catching a bus is 12.5. (20 pts) Note: x(
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Given that Fx (x) = t ; o50225 lo; else a) E(X) = Sx fx (x) dx = 1:25 ) V(x) = E(X-E(x)]² - E[x-257-56-25 6 da = {(2²+ 625 -225 dx 5 + 625 ५२७ 25 I dxc-25 foc do २८ 25 625 (EY + b - - 625 -65 - २०8.3333+156.35 -312.6 - 5२.0533

Add a comment
Know the answer?
Add Answer to:
need help with C and D questions thank you 1. A bus leaves every 25 minutes....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • The bus arrives every 15 minutes starting at 8:00am and leaves immediately. You arrive at the...

    The bus arrives every 15 minutes starting at 8:00am and leaves immediately. You arrive at the bus stop with a uniform distribution between 8:05am and 8:30am and can be described as . Given that the bus arrival time and the time that you arrive at the bus stop are independent, what is the PDF of your wait time? fx(x) = {1/25, 0<x< 25 0, otherwise

  • The bus arrives every 15 minutes starting at 8:00am and leaves immediately. You arrive at the...

    The bus arrives every 15 minutes starting at 8:00am and leaves immediately. You arrive at the bus stop with a uniform distribution between 8:05am and 8:30am. Given that the bus arrival time and the time that you arrive at the bus stop are independent, what is the PDF of your wait time? Graph the PDF of your wait time.

  • Part 3: The Uniform Distribution Suppose that you need to take a bus that comes every...

    Part 3: The Uniform Distribution Suppose that you need to take a bus that comes every 30 minutes. Assume that the amount of time you have to wait for this bus has a uniform distribution between 0 and 30 minutes. The probability density curve for this distribution is given below. 1) Is waiting time a discrete or continuous random variable? 2) What is the area of this entire rectangle? 3) What numbers are represented by a, b and c (note:...

  • need help w this calc frq asap plz, thank u!! Question #1 (25 Minutes) There will...

    need help w this calc frq asap plz, thank u!! Question #1 (25 Minutes) There will be 30 minutes on the timer. You are instructed to stop work when the timer reaches five minutes remaining and use those final five minutes to submit your work. The tables below give selected values of two differentiable functions, f(x) and g(x), for which first, second, third, and fourth derivatives exist for all values of x. 9 -2 5 -0.5 -2 3 unknown a....

  • I need help with problem #3, please and thank you! Problem #2 (25 points) - The...

    I need help with problem #3, please and thank you! Problem #2 (25 points) - The True Hanging String Shape After solving for ye(2) for the scenario in Problem #1, show that the mag- nitude of the tension in the string is given by the expression T(X) = To cosh (Como) where To = Tmin is the minimum tension magnitude in the string which occurs at the bottom point of the string, and then show that the maximum tension magnitude...

  • Reason arrivals poisson and time continuous - exp prob Mode 1 1. The time until the...

    Reason arrivals poisson and time continuous - exp prob Mode 1 1. The time until the next arrival at a gas station is modeled as an exponential random with mean 2 minutes. An arrival occurred 30 seconds ago. Find the probability that the next arrival occurs within the next 3 minutes. X= Time until next assival xu Expoential prob. Model Find: p(x-3) = P( ) e mean = 2 minutes = Arrival 30 sec ago = Next arrival w/in 3...

  • Can you please solve 7 and 8. Thank you D G Get Homework Help With Che: + O Trisha Paytas spreads dirt.. X 20191-MTH122-Casper.tchoy 1. (1 Point) The Cumulative Dis x × × ← → С Δ ⓘNot Secure lww2.math...

    Can you please solve 7 and 8. Thank you D G Get Homework Help With Che: + O Trisha Paytas spreads dirt.. X 20191-MTH122-Casper.tchoy 1. (1 Point) The Cumulative Dis x × × ← → С Δ ⓘNot Secure lww2.math.buffalo.edu/wwtmp/2019LMTH122-Casper/hardcopy/2019LMTH1 22-Casper.tchoyang.Se ☆ O OAbBe。ο Apps D orgo cherm lab粤BIO-Bio test bank D PrinterOn Printing Solutions to Calcu Exam 2011 . BIO 2 СО RELEASE Ticketmaster: Buy timesheet . 2019 1 MTH122 Casper.tchoyang.Section 12.3.pdf 1/2 . 15 16 .0.2 (correct) (correct)...

  • 1. Suppose you're back at home and you need to schedule an appointment with your internet provide...

    1. Suppose you're back at home and you need to schedule an appointment with your internet provider to have someone come over and fix it. You have to be at home to let the person in. If you miss the serviceperson, you have (a) Although you're given an exact time (3:00pm), the company tells you that the serviceperson could show up Let X - the arrival time (in minutes) of tife serviceperson relative to the scheduled time. Then based on...

  • please answer question 1 ASAP and thank you answer a,b,c,d,e,f,g and thank you DIU LIL HUITWork...

    please answer question 1 ASAP and thank you answer a,b,c,d,e,f,g and thank you DIU LIL HUITWork 1 Using the midpoints of the indicated ranges of X (ie. 1.90 gram for the first class), to Note: To get full credit for your homework, you need to show step by step calculation which includes the formula, how to apply the date of question to the formule, and answer with an appropriate unit. Showing only the final solution (e.g, a single number) will...

  • can you help with these questions and briefly explain how you got to the answer. it...

    can you help with these questions and briefly explain how you got to the answer. it would be a big help thank for your time. Question 1 Suppose that the conditional variance is var(WXi) = (x), where i is a constant and h is a known function. The WLS estimator: O A. is the estimator obtained by first dividing the dependent variable and regressor by h and then regressing this modified dependent variable on the modified regressor using OLS. O...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT