Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. suppose it is known that the iq scores of a certai

Suppose it is known that the IQ scores of a certain population of adults are approxi-...

90.2K

Verified Solution

Question

Basic Math

Suppose it is known that the IQ scores of a certain populationof adults are approxi- mately normally distributed with a standarddeviation of 15. A simple random sample of 25 adults drawn fromthis population had a mean IQ score of 105.

a) Is there evidence at 5% significance level that the averageIQ in this population is not equal to 100?

Please also explain how you got the critical value.

Thanks!!!

Answer & Explanation Solved by verified expert
4.0 Ratings (472 Votes)
    See Answer
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

Calculus
1.2K views

f o t is an increasing function of t What can you say about the...

Psychology
1.2K views

Watch Video Lesson 6 - Inferences Duration: (4:31) User: n/a - Added: 8/28/14 View the video and complete the...

Advance Math
1.2K views

Expand in Fourier series: Expand in fourier sine and fourier cosine series of: f(x) = x(L-x),    0

Accounting
1.2K views

A new operating system for an existing machine is expected to cost $680,000 and have a...

Biology
1.2K views

dentify the following scenario as primary or secondary succession raging forest fire sweeps through a...

Biology
1.2K views

ABC A B C DEFGHIT J K L M A M E B F L...

Calculus
1.2K views

Given y=?x. Find dx/dt when y=7 and dy/dt = 1.55.

Algebra
1.2K views

You choose to invest your 3 110 income tax refund check rather than spend it...

Accounting
1.2K views

help please!! Blossom's Custom Construction Company is considering...

Accounting
1.2K views

On January 1, 2021. Saltimbocca Corporation borrowed $211,205 from Morgan Stanley....

Accounting
1.2K views

Clarissa's gross tax liability for the year is $1,300. She has a $1,500 nonrefundable personal...

Accounting
1.2K views

1- what are the top work ethics he or she expects from current or future...