Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. a professor would like to use a 98 confidence inte

A professor would like to use a 98 confidence interval to estimate the mean amount...

80.2K

Verified Solution

Question

Statistics

image

A professor would like to use a 98 confidence interval to estimate the mean amount of time IRSC students spend studying each week The professor knows that distribution of time spent studying each week by IRSC students is normally distributed with a standard deviation of 11 1 hours How large a sample should the professor select to ensure the confidence interval has a width of no more than 5 8 hours Round the solution up to the nearest whole number

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

Basic Math
1.2K views

Here are summary statistics for randomly selected weights of newborn​ girls: nequals220​, x overbarequals30.3 ​hg, sequals6.3 hg....

Chemistry
1.2K views

If you mix 25mL of 0.25 Sodium phosphate dibasic (Na2HPO4) with 50mL of 0.1M Sodium phosphate monobasic...

Psychology
1.2K views

Behaviorists from John Locke on have assumed that we can shape our children any way we...

Physics
1.2K views

What strategy did astronomers use to achieve the incredible resolving power necessary to successfully image...

Basic Math
1.2K views

List the roots of the parabola y x 18x 106 In other words list the...

Algebra
1.2K views

Determine the magnitude of the Fourier transform in milliunits of the function te^-2.6t u(t), for...

Algebra
1.2K views

D X Step 1 of 1 Determine the measure of the acute angle a in...

Accounting
1.2K views

Lesson 3 Homework Complete and submit your work in an...

Accounting
1.2K views

A table for a monthly bank reconciliation dated September 30 is...

Accounting
1.2K views

1. Unlike rent, salaries, and utilities, depreciation A. is more likely to involve an estimate....

Accounting
1.2K views

1. Please read the attached articles related to the culture and accounting values and write...

Accounting
1.2K views

[The following information applies to the questions displayed below.] "We really need to get this...