« previous next »

Author Question: The z value for a 97.8 confidence interval estimation is _____. a. 2.02 b. 1.96 c. 2.00 d. ... (Read 92 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
The z value for a 97.8 confidence interval estimation is _____.
 a. 2.02
  b. 1.96
  c. 2.00
  d. 2.29

Question 2

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes. The probability that her trip will take longer than 60 minutes is _____.
 a. 1
  b. .40
  c. .02
  d. .60


Anton

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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
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]
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:
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:
A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word A(n) _____ is a spur-of-the-moment question. Fill in the blank(s) with correct word
Video: Fertilization and Development

For a complete list of videos, visit our video library