Question

A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 11 years. A survey of 63 companies reported in The Wall Street Journal found a sample mean tenure of 8.4 years for CEOs with a standard deviation of s=s= 5.5 years (The Wall Street Journal, January 2, 2007). You don't know the population standard deviation but can assume it is normally distributed.

You want to formulate and test a hypothesis that can be used to challenge the validity of the claim made by the group, at a significance level of α=0.001α=0.001. Your hypotheses are:

      Ho:μ≥11Ho:μ≥11
      Ha:μ<11Ha:μ<11

What is the test statistic for this sample?  
test statistic =  (Report answer accurate to 3 decimal places.)

What is the p-value for this sample?  
p-value =  (Report answer accurate to 4 decimal places.)

0 0
Add a comment Improve this question Transcribed image text
Answer #1

The Hypothesis:

H0: 11

Ha: < 11

The Test Statistic:

The p value:

The p value (left tail) for df = n - 1 = 62 is 0.0002

Add a comment
Know the answer?
Add Answer to:
A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...

    A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 10 years. A survey of 119 companies reported in The Wall Street Journal found a sample mean tenure of 9.4 years for CEOs with a standard deviation of s= 5.1 years (The Wall Street Journal, January 2, 2007). You don't know the population standard deviation but can assume it is normally distributed. You...

  • A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...

    A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 10 years. A survey of 76 companies reported in The Wall Street Journal found a sample mean tenure of 9 years for CEOs with a standard deviation of s=5.6 years (The Wall Street Journal, January 2, 2007). You don't know the population standard deviation but can assume it is normally distributed. You want...

  • A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...

    A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 10 years. A survey of 71 companies reported in The Wall Street Journal found a sample mean tenure of 8.9 years for CEOs with a standard deviation of 5.9 years (The Wall Street Journal, January 2, 2007). You want to formulate and test a hypothesis that can be used to challenge the validity...

  • A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...

    A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 8 years. A survey of 79 companies reported in The Wall Street Journal found a sample mean tenure of 6.6 years for CEOs with a standard deviation of 5.5 years (The Wall Street Journal, January 2, 2007). A shareholders' group is lodging a protest against your company. The shareholders group cdaimed that the...

  • A shareholders' group is lodging a protest against your company. The shareholders group claimed that the...

    A shareholders' group is lodging a protest against your company. The shareholders group claimed that the mean tenure for a chief exective office (CEO) was at least 9 years. A survey of 112 companies reported in The Wall Street Journal found a sample mean tenure of 8.6 years for CEOs with a standard deviation of s = 5.9 years (The Wall Street Journal, January 2, 2007). You don't know the population standard deviation but can assume it is normally distributed....

  • eBook A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief...

    eBook A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least eleven years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of 10.68 years for CEOs with a standard deviation of s 7.21 years. a. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group. Ho Select your answer- 11 Ha Select your answer-11...

  • A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. A survey of companies reported in the Wall Street Journal fou...

    A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of x = 7.74 years for CEOs with a standard deviation of s = 6.45 years. a. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group Select your answer+ Ha : -Select your...

  • Please provide the correct answers for the ones marked with a RED X near them A...

    Please provide the correct answers for the ones marked with a RED X near them A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least nine years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of 8.34 years for CEOs with a standard deviation of s-6.16 years. a. Formulate hypotheses that can be used to challenge the validity of the claim made...

  • The first picture contains the whole math problem. The second picture contains only b which I...

    The first picture contains the whole math problem. The second picture contains only b which I need the answer for. The p-value has a dropdown option sonesse choose the correct answer from there. THANKS IN ADVANCE!!! companies reported in the Wall Street A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least seven years. A survey of Journal found a sample mean tenure of 6.68 years for CEOs with...

  • According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in...

    According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in the United States gets returned. A Houston department store sampled 80 items sold in January and found that 11 of the items were returned A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (CEO) was at least nine years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of x...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
Active Questions
ADVERTISEMENT