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 74 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
Gracias!

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

School-age children are often independent and industrious, with a developing sense of self-confidenc School-age children are often independent and industrious, with a developing sense of self-confidenc
Over confidence Over confidence
Maps are important tools in political science as they help us see relationships between politics and Maps are important tools in political science as they help us see relationships between politics and
Using a scan tool to check for IAC counts or percentage as part of a diagnostic routine. Using a scan tool to check for IAC counts or percentage as part of a diagnostic routine.
Given the values of sin θ, determine the values of θ over the interval [0, 2pi] Given the values of sin θ, determine the values of θ over the interval [0, 2pi]
Plot of the percentage of X-linked recessive mutations Plot of the percentage of X-linked recessive mutations
Video: baroreceptors

For a complete list of videos, visit our video library