« 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 93 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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
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:
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library