Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. 1. thirty years ago, the mean number of rides that

1. Thirty years ago, the mean number of rides that were disabled (broken) for more than...

60.1K

Verified Solution

Question

Basic Math

1. Thirty years ago, the mean number of rides that were disabled(broken) for more than two

hours at Disneyland was 10.2 per month. The current CEO, BobIger, believes that number has

gone down and randomly selects 11 months from the past threeyears and checks on the number

of disabled rides. If the mean has decreased, he will give themembers of the maintenance staff a

$50K bonus this year. If not, they will all be immediatelyfired.

14

10

5

6

8

10

10

8

9

9

7

a. At the 10% significance level, do the data provide evidencethat the mean number of disabled

rides per month has decreased?

b. In the context of this problem, describe Type I and Type IIerrors and their consequences.

Which one, in your opinion, is more severe?

Type I:

Type II:

Answer & Explanation Solved by verified expert
4.0 Ratings (461 Votes)
Mean and standard deviation calculated from data Sample mean 873Sample standard deviation s 241Sample size n 11a Null and Alternative HypothesisCritical valueAt 010 and df    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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Why is the new level of cleaning worrisome to some health scientists?a. It costs too...

Biology
Q

Problem 3 (36 Pts) The steel pipe is 0.5 m long and has an internal diameter...

Mechanical Engineering
Q

Find a company that is an example of low cost leadership or low cost focus. Explain...

General Management
Q

Chemiosmosis is used to generate ____ percent of the ATP made during ____ glucose catabolism.

Biology
Q

5 Who was Eugene V Debs 6 Who was Samuel Golden Rule Jones and what...

Biology
Q

What is the volume of this figure 2 ft 1 ft cubic feet Submit 6...

Geometry
Q

Shown is the graph of a force function in newtons that increases to its maximum...

Calculus
Q

West Co.'s manufacturing costs are as follows: Direct materials and direct labour Other variable...

Accounting
Q

On April 17, 2024, the Loudstone Mining Company purchased the rights to a copper mine....

Accounting
Q

Category Prior year Current year Accounts payable 41,400 45,000 Accounts receivablo 115,200 122,400 Acorus 16.200...

Finance
Q

Assume a par value of $1,000. Caspian Sea plans to issue a 18.00 year, semi-annual...

Finance
Q

USE THE FOLLOWING INFORMATION TO CONSTRUCT AN INCOME STATEMENT AND A BALANCE SHEET TO ANSWER...

Finance