Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. facebook a study showed that two years ago the mea

Facebook A study showed that two years ago the mean time spent per visit to...

50.1K

Verified Solution

Question

Statistics

image

Facebook A study showed that two years ago the mean time spent per visit to Facebook was 20 8 minutes Assume the standard deviation is a 8 0 minutes Suppose that a simple random sample of 105 visits was selected this year and has a sample mean of x 21 8 minutes A social scientist is interested to know whether the mean time of Facebook visits has changed Use the a 0 01 level of significance and the P value method with the TI 84 calculator a State the appropriate null and alternate hypotheses b Compute the P value c State a conclusion Use the a 0 01 level of significance Part 0 4 Part 1 of 4 a State the appropriate null and alternate hypotheses Ho H 0 0 O 0 0 8 E

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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

A trough is 11m long, 5m wide, and 3m deep. The vertical cross-section of the trough...

Physics
Q

46 The release of antidiuretic hormone from the pituitary gland increases the permeability of the...

Biology
Q

How many cells are produced by one cell undergoing meiosis?4152

Biology
Q

25 Source and observer both start moving simultaneously from origin one along x axis and...

Physics
Q

1 Consider a solid sphere of radius r and mass m which has a charge...

Physics
Q

Find all solutions of the equation. Express the solutions in radians in the form a...

Basic Math
Q

The volumes of two similar solids are 729 m and 125 m. The surface area...

Basic Math
Q

Let h(t) =tan(2x + 3). Thenh' (1) isand h''(1) is

Calculus
Q

Solve the given equation for x 45x 2 2 32

Calculus
Q

SYStem Announcements Brief Exercise 7-17 CALCIAATO Vaughn Corporation is preparing a bank reconciliation and has...

Accounting
Q

Cane Company manufactures two products called Alpha and Beta that sell for $210 and $172,...

Accounting
Q

Which of the following statements regarding consolidation of a VIE with its primary beneficiary is...

Accounting