This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 90 confidence interval for the mean percentage of airline reservations being canceled on the day ... (Read 77 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
A 90 confidence interval for the mean percentage of airline reservations being canceled on the day of the flight is (2.5, 6.4). What is the point estimator of the mean percentage of reservations that are canceled on the day of the flight?
 
  A) 3.9 B) 1.95 C) 4.45 D) 3.20

Question 2

The diameters of ball bearings produced in a manufacturing process can be described using a uniform distribution over the interval 8.5 to 10.5 millimeters. Any ball bearing with a diameter of over 10.25 millimeters or under 8.75 millimeters is considered defective. What is the probability that a randomly selected ball bearing is defective?
 
  A) .50 B) .25 C) .75 D) 0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


khang

  • Member
  • Posts: 569
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

The percentage of women who have cohabited by the age of 45 for 17 countries shows that the ... The percentage of women who have cohabited by the age of 45 for 17 countries shows that the ...
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
The percentage of Canadian students in Grades 7 through 12 who used drugs The percentage of Canadian students in Grades 7 through 12 who used drugs
Percentage of higher-income Canadian households Percentage of higher-income Canadian households
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Plot of the percentage of X-linked recessive mutations Plot of the percentage of X-linked recessive mutations
Video: Factors that increase metabolic rate and heat production

For a complete list of videos, visit our video library