Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. 4. for random variable x with unknown variance let

4. For random variable X with unknown variance let S_x^2=49,x ?=8,n=25,"and" ?=0.10. Conduct the following tests....

70.2K

Verified Solution

Question

Basic Math

4. For random variable X with unknown variance let S_x^2=49,x?=8,n=25,"and" ?=0.10. Conduct the following tests. Make sure youstate the decision rule and the inference.

a) H_0:?<7H_A:??7

b) H_0:?>10H_A:??10

c) H_0:?=3H_A:??3

d) Give a 90% confidence interval around ?.

Answer & Explanation Solved by verified expert
4.4 Ratings (686 Votes)
a Below are the null and alternative Hypothesis Null Hypothesis 7 Alternative Hypothesis 7 Rejection Region This is right tailed test for 01 and df 24 Critical value of t is 1318 Hence reject H0 if t 1318 Test statistic t xbar mussqrtn t 8 79sqrt25 t    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

Psychology
1.2K views

Ruth Benedict discusses how changes in a culture’s understanding of “normal” can affect our understanding about...

General Management
1.2K views

Shoes, not the most exciting product category, right? Try telling that to Tony Hsieh (pronounced Shay),...

Biology
1.2K views

When an ocean plate converges with another plate, what is created on the seafloor at...

Basic Math
1.2K views

Convert the angle in radians to degrees 3x 3x 4 radians radians

Basic Math
1.2K views

If you want to earn 2% annual simple interest on an investment, how much should...

Basic Math
1.2K views

The area of a square is increasing at a rate of 12 centimeters squared per...

Statistics
1.2K views

1 The probability of getting a king when a card is selected at random from...

Statistics
1.2K views

An event A will occur with probability 0 5 An event B will occur with...

Algebra
1.2K views

The function f x 2x 24x 72x 5 has one local minimum and one local...

Accounting
1.2K views

Farkekround: setrevere is fared the fie entiet wir: aused aswaninat-4y buctiget for the year 20121...

Accounting
1.2K views

What is a Capital Asset? What is a Section 1231 Asset? What...

Accounting
1.2K views

Data: Standard Cost Card ...