This topic contains a solution. Click here to go to the answer

Author Question: A population has a mean of 84 and a standard deviation of 12 . A sample of 36 observations will be ... (Read 178 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
A population has a mean of 84 and a standard deviation of 12 . A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is _____.
 a. .0347
  b. .7200
  c. .9511
  d. None of the answers is correct.

Question 2

During lunchtime, customers arrive at Bob's Drugs according to a Poisson distribution with  = 4 per minute. During a one-minute interval, determine the following probabilities:
 a. no arrivals; b. 1 arrival; c. 2 arrivals; and, d. 3 or more arrivals.
  e. What is the probability of 2 arrivals in a two-minute period?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

c

Answer to Question 2

a. .0183
b. .0733
c. .1465
d. .7619
e. .0107




HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library