Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. a random sample of 50 students sent a mean of 38 t

A random sample of 50 students sent a mean of 38 text messages in a...

60.1K

Verified Solution

Question

Statistics

image

A random sample of 50 students sent a mean of 38 text messages in a day with a standard deviation of 12 Using the table below find the 90 confidence interval 35 21 to 40 79 35 67 to 41 33 33 63 to 42 37 Confidence Level z value 1 645 1 960 2 576 90 95 99

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

Chemistry
1.2K views

Is density by calculation more accurate than density by immersion, why or why not?

Physics
1.2K views

An electron in a television picture tube travels at 3 × 107 m/s. Does the earth’s...

Biology
1.2K views

What is the days supply for this prescription?Ibuprofen 100mg/5ml Suspension Disp: 8ozSig: II TSP QID1...

Geometry
1.2K views

sleep Do NOT include the percent symbol Question 2 To the nearest percent what is...

Basic Math
1.2K views

In a race in which seven automobiles are entered and there are no ties, in...

Basic Math
1.2K views

Solve the following system by graphing.2x - y = 64x - 2y = 6Use the...

Algebra
1.2K views

Give an example of matrices A B M2x2 such that null A B is not...

Accounting
1.2K views

Q- Search Sheet Share ^ Insert Page Layout Formulas Data Review View Cut...

Accounting
1.2K views

please answer the last question as soon as possible Culver Restaurant's gross payroll for...

Accounting
1.2K views

Which of these would be considered disadvantages of multi-sourcing? Select all that apply. Responses: Less...

Accounting
1.2K views

Why do companies choose to raise capital by borrowing versus issuing stock?Is borrowing more expensive...

Accounting
1.2K views

Exercise 12-5 Indirect: Cash flows from operating activities LO P2 Fitz Company reports the following...