Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. a group of 10 adults is asked to type a passage of

A group of 10 adults is asked to type a passage of text. Here are their...

80.2K

Verified Solution

Question

Basic Math

A group of 10 adults is asked to type a passage of text. Hereare their times in seconds: 28.9, 27.3, 29.1, 31.5, 27.7, 29.3,28.3, 30.1, 30.7, 30.9 where ¯x=29.38 and s=1.4. Typing time forthe same text passage is normally distributed with unknown mean ?,and known standard deviation ?=1.6. At significance level ?=0.005,is the sample showing strong evidence that mean typing time of thistext passage is other than 30? Accurate to 4 decimal places, whichof the following is ?¯x used for this testing hypothesisproblem?

Answer & Explanation Solved by verified expert
4.3 Ratings (592 Votes)
    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

Q

Calculate the [H3O+] of each aqueous solution with the following [OH-]. 1) NaOH, 1.6x10^2 M. 2)...

Chemistry
Q

What is the CIDR notation corresponding to a subnet mask of 255.240.0.0? Please show work.

Programming
Q

write about a book, movie, poem, play or other type of story that has allegorical meaning....

Psychology
Q

8 ATSW APSR ZTSW ZT ZR PR ST SW

Geometry
Q

Match the terms to the correct symbols N gives the Population Mean Sample Mean O...

Statistics
Q

Score 1 11 1 11 Question 6 Find the equatio function

Calculus
Q

Given the function f x whose graph is shown below determine f 2 I Do...

Calculus
Q

1 point Click on the graph to view a larger graph For the given angle...

Algebra
Q

Jan. 3 Sell merchandise on account to B. Corpas $3,000, invoice no. 510, and to...

Accounting
Q

Brooks Co. purchases various investments in trading securities at a cost of $58,000 on December...

Accounting
Q

Longview Baskets has in its inventory 2,500 damaged baskets that cost $20,000 The baskets can...

Accounting
Q

Jesse would like to have $1.5 million dollars in 10 years. Jesse will invest $110,000...

Accounting