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

Author Question: During lunch time, customers arrive at Bob's Drugs according to a Poisson distribution with = 4 per ... (Read 125 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jun 24, 2018
During lunch time, customers arrive at Bob's Drugs according to a Poisson distribution with  = 4 per minute.
 a. During a one-minute interval, determine the following probabilities: (1) no arrivals; (2) one arrival; (3) two arrivals; and, (4) three or more arrivals.
  b. What is the probability of two arrivals in a two-minute period?
  c. What is the probability that no more than 30 seconds elapses between arrivals?

Question 2

A regression model involved 5 independent variables and 136 observations. The critical value of t for testing the significance of each of the independent variable's coefficients will have
 a. 121 degrees of freedom
  b. 135 degrees of freedom
  c. 130 degrees of freedom
  d. 4 degrees of freedom


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. .0183, .0733, .1465, .7619
b. .0107
c. .8647

Answer to Question 2

C


Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jun 24, 2018
Gracias!

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Wow, this really help

« 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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Antidysrhythmic Drugs Antidysrhythmic Drugs
Antiretroviral Drugs Used for the Treatment of HIV/AIDS Antiretroviral Drugs Used for the Treatment of HIV/AIDS
Drugs Used in the Treatment of Migraine Drugs Used in the Treatment of Migraine
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients
How the Return to Education Affects the Distribution of Income How the Return to Education Affects the Distribution of Income
The Therapeutic Indexes for Two Drugs The Therapeutic Indexes for Two Drugs
Video: Structure of a Ribosome

For a complete list of videos, visit our video library