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

Author Question: The length of time it takes students to complete a statistics examination is uniformly distributed ... (Read 63 times)

redpassion

  • Full Member
  • ***
  • Posts: 151
on: Mar 25, 2023

The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes.

a.Find the mathematical expression for the probability density function.
b.Compute the probability that a student will take between 45 and 50 minutes to complete the examination.
c.Compute the probability that a student will take no more than 40 minutes to complete the examination.
d.What is the expected amount of time it takes a student to complete the examination?
e.What is the variance for the amount of time it takes a student to complete the examination?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by redpassion on Mar 25, 2023

3ginamay

  • Full Member
  • ***
  • Posts: 158
Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


redpassion

  • Member
  • Posts: 151
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Both students with intellectual disability (ID) and students who are intellectually gifted need ... Both students with intellectual disability (ID) and students who are intellectually gifted need ...
Sterilization Time Requirements Sterilization Time Requirements
Always take the time to install spark plug wires back into the original holding brackets (wiring ... Always take the time to install spark plug wires back into the original holding brackets (wiring ...
A Tough Economy ...for students A Tough Economy ...for students
Radiative forcing expresses change in energy input over time Radiative forcing expresses change in energy input over time
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Video: Brain Anatomy Animation (Part 1 of 2)

For a complete list of videos, visit our video library