Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. according to the centers for disease control, the

According to the Centers for Disease Control, the mean number of cigarettes smoked per day by...

50.1K

Verified Solution

Question

Basic Math

According to the Centers for Disease Control, the mean number ofcigarettes smoked per day by individuals who are daily smokers is18.1. A researcher claims that retired adults smoke less than thegeneral population of daily smokers. To test this claim, sheobtains a random sample of 25 retired adults who are currentsmokers, and records the number of cigarettes smoked on a randomlyselected day. The data result in a sample mean of 16.8 cigarettesand a standard deviation of 4.8 cigarettes. Do the data support theclaim that retired adults who are daily smokers smoke less than thegeneral population of daily smokers? Conduct a hypothesis test at ?= 0.10. Assume the population is normally distributed. Hint: ? isunknown, and this is a one-tailed test. (5 points) State thehypotheses ? H?_0: H_1: b. Compute test statistic (Round to thenearest 100th) c. Find critical value (Round to the nearest 100th)d. State decision rule: e. State your conclusion. First, stateeither “Reject the null hypothesis” or “Fail to reject it.” Then,interpret your conclusion:

Answer & Explanation Solved by verified expert
4.2 Ratings (648 Votes)
a Here claim is that retired adults who are daily smokers smokeless than the general population of daily smokersSo    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

Mechanical Engineering
1.2K views

For the solidification of pure gold, calculate the critical radius (r*) and the activation freeenergy (\Delta...

Biology
1.2K views

As the two strands of DNA are unraveled which enzyme relieves the strain on the...

Physics
1.2K views

English Two very small spheres having charge Q and Q face each other at a...

Basic Math
1.2K views

4 Claim 1 Example Bob uses a 20 foot ladder to pai

Statistics
1.2K views

A student conducted a survey on male and female driving habits by randomly selecting 25...

Calculus
1.2K views

Find the remaining sides and angles of the triangle ABC with right angle at C...

Algebra
1.2K views

0 00252d227 The optimal height h of the letters of a message printed on pavement...

Accounting
1.2K views

Summarize the branching and bounding steps briefly and then focus on the fathoming...

Accounting
1.2K views

Omega sell for $250 and Epsilon for $140, variable manufacturing...

Accounting
1.2K views

Sheffield Inci reported income from Continuing Operations before taxes during 2025 of $811,200. Additional transactions...

Accounting
1.2K views

Company provides transportation services for clients. On June 1, the company receives $8,000 cash from...

Accounting
1.2K views

Metlock Co. sold $1,880,000 of 12%, 10-year bonds at 105 on January 1, 2020. The...