« previous next »

Author Question: The time between customer arrivals at a furniture store has an approximate exponential distribution ... (Read 80 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jun 24, 2018
The time between customer arrivals at a furniture store has an approximate exponential distribution with mean  = 8.5 minutes. If a customer just arrived, find the probability that the next customer will not arrive for at least 20 minutes.
 
  A) 0.904911 B) 0.346230 C) 0.095089 D) 0.653770

Question 2

Use the standard normal distribution to find P(-2.50 < z < 1.50).
 
  A) .8822 B) .5496 C) .6167 D) .9270


alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

BRWH

  • Hero Member
  • *****
  • Posts: 553
Reply #2 on: Jun 24, 2018
Thank you


alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Variation in climatic conditions result in geographic variation in the distribution of biome types a Variation in climatic conditions result in geographic variation in the distribution of biome types a
Organizational Effects of Testosterone Around the time of birth, testosterone masculinizes and defem Organizational Effects of Testosterone Around the time of birth, testosterone masculinizes and defem
The Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Magnitude of Geologic Time Magnitude of Geologic Time
Disitive Time For Nuts Disitive Time For Nuts
A time map of the genes studied in the experiment A time map of the genes studied in the experiment
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library