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

Author Question: The time taken to answer an exam question for a randomly chosen student has a uniform probability ... (Read 65 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
on: Jul 24, 2018
The time taken to answer an exam question for a randomly chosen student has a uniform probability distribution from 1 minute to 5 minutes. What is the probability that the time to answer is no more than 2 minutes?
 a. 0.20
  b. 0.25
  c. 0.40
  d. 0.75

Question 2

A survey at a large public university reveals that many students hold a (part-time) job while going to college. Out of 127 female students surveyed, 95 have a job and out of 143 male students, 97 have a job. What is the standard error of the estimate?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ghepp

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

0.0549


rmenurse

  • Member
  • Posts: 513
Reply 2 on: Jul 24, 2018
Wow, this really help

cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Using Probability Calculations in Genetics Using Probability Calculations in Genetics
Estimated number of new HIV infections per year over time period in Canada Estimated number of new HIV infections per year over time period in Canada
economic question economic question
economic question (having trouble) economic question (having trouble)
Hi i really need help clarifying this question T^T Hi i really need help clarifying this question T^T
Physics question Physics question
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library