Ready to test your Knowledge?
Try out our new practice tests completely free!
exam preparation banner icon
Solved

Historically, a Certain Region Has Experienced 68 Thunder Days Annually

arrowarrow
Question 68
Multiple Choice
arrowQuestion 68arrow
Multiple Choice

Historically, a certain region has experienced 68 thunder days annually. (A "thunder day" is day on which at least one instance of thunder is audible to a normal human ear). Over the past seven years, the mean number of thunder days is 58 with a standard deviation of 26. Can you conclude that the mean number of thunder days is less than 68? Use the α = 0.10 level of significance.


A)There is not enough information to draw a conclusion.
B)No. There is insufficient evidence to conclude that the number of thunder days is lessthan 68.
C)Yes. The number of thunder days appears to be less than 68.

Choose question tag
close menu

10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes.

Statistics

Explore our library and get Introductory Statistics Homework Help with various study sets and a huge amount of quizzes and questions

Get Free Access Now!
Textbook Solutions
Textbook Solutions

Find all the solutions to your textbooks, reveal answers you would’t find elsewhere

Find Solutions
Search By Image
Search By Image

Scan any paper and upload it to find exam solutions and many more

Flashcards
Flashcards

Studying is made a lot easier and more fun with our online flashcards

Find Flashcards