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 99 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
Excellent

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Changes in Time Spent with Family Members Changes in Time Spent with Family Members
Instructing a Patient on Breast Self-Examination Instructing a Patient on Breast Self-Examination
Statistics Canada, Labour Force Survey Statistics Canada, Labour Force Survey
A simple pendulum of length 2.5 m m makes 5.0 complete swings in 16 s s . What is the ... A simple pendulum of length 2.5 m m makes 5.0 complete swings in 16 s s . What is the ...
Time-of-entry mapping Time-of-entry mapping
The Hfr chromosome time-of-entry map is assembled from the recombinant data The Hfr chromosome time-of-entry map is assembled from the recombinant data
Video: Medullary osmotic gradient - influencing factors

For a complete list of videos, visit our video library