« previous next »

Author Question: With a sample size of , the sampling distribution for the sign test, assuming the null hypothesis is ... (Read 92 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Jun 24, 2018
With a sample size of , the sampling distribution for the sign test, assuming the null hypothesis is true, follows the student's t-distribution.
 
  Indicate whether the statement is true or false

Question 2

According to R.L. Polk & Co, the average age of cars and light trucks in the U.S. is 10.8 years. Assume that the standard deviation for this population is 3.7 years. A sample of 35 randomly selected vehicles was selected.
 
  What is the probability that the sample mean will be greater than 10 years?A) 0.5469
  B) 0.7812
  C) 0.8997
  D) 0.9846


nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

The mark-recapture technique is often used to estimate population size. The mark-recapture technique is often used to estimate population size.
Size comparison of Earth and Uranus Size comparison of Earth and Uranus
Group Size Group Size
An OBD-II active test. The PCM opens the EGR valve and then monitors the MAP sensor and/or engine ... An OBD-II active test. The PCM opens the EGR valve and then monitors the MAP sensor and/or engine ...
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
The distribution of Neandertal and Denisovan DNA in the modern human genome The distribution of Neandertal and Denisovan DNA in the modern human genome
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library