Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. a traffic engineer plans to estimate the average n

A traffic engineer plans to estimate the average number of cars that pass through an...

70.2K

Verified Solution

Question

Basic Math

image

A traffic engineer plans to estimate the average number of cars that pass through an intersection each day. Based on previous studies the standard deviation is believed to be 52 cars. She wants to estimate the mean to within + 10 cars with 90% confidence. The needed sample size for n is:a. n=104 daysb. n = 74 daysc. n = 10 daysd. n=9 days

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

1. Neema bought appliances costing ​$3775 at a store charging 6​% ​add-on interest. She made a...

Advance Math
Q

1. Theories about Signal Generator. 2. All possible equations in the study of signal generators. 3. List and explain with...

Electrical Engineering
Q

Analysis of the Shoe Corporation of Illinois. Analyze the organizational structure of Shoe Corporation, including how the...

General Management
Q

The figure shows a frictionless cylindrical piston that seals and floats freely on compressed gas...

Physics
Q

nment rd is drawn from a standard de P king

Algebra
Q

Carla Vista Company uses special journals and a...

Accounting
Q

Explique el efecto de varias tasas impositivas y cambios en las tasas impositivas sobre los...

Accounting
Q

Michelle is an active participant in the rental condominium property she owns. During the year,...

Accounting
Q

List strategic decisions made in planning messages of refusal. Identify the characteristics of effective negative...

Finance
Q

Williams Company is a manufacturer of auto parts having the following financial statements for 2016....

Accounting
Q

Cul de las siguientes preguntas NO responde el Estado de Flujos de Efectivo? a)...

Accounting
Q

Amelia has hired a tax accountant to prepare her 2020 income tax returns, however she...

Finance