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

Author Question: A barbershop requires appointments for perms and hair cuts. Ten percent of those making appointments ... (Read 101 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
on: Jun 24, 2018
A barbershop requires appointments for perms and hair cuts. Ten percent of those making appointments cancel or simply fail to show up. Next week's appointment calendar has 64 appointments. Let x be the number of missed appointments out of the 64 . The probability that more than 3 cancellations and/or no-shows will occur during the next week is:
 a. 0.3784
  b. 0.8937
  c. 0.7795
  d. 0.9611
  e. 0.1063

Question 2

Approximately 14 percent of the population of Arizona is 65 years or older. A random sample of five persons from this population is taken. The probability that less than 2 of the 5 are 65 years or older is:
 a. 0.8533
  b. 0.1467
  c. 0.4704
  d. 0.3829
  e. None of these.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jasonq

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jun 24, 2018
Excellent

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Human Hair Human Hair
Primary aging means changes in hair color and skin texture for almost everyone. Primary aging means changes in hair color and skin texture for almost everyone.
First reaction requires thiamine pyrophosphate as a coenzyme First reaction requires thiamine pyrophosphate as a coenzyme
How to solve any percent efficiency problem How to solve any percent efficiency problem
The amino acid lysine has the percent composition 49.3% C, 9.59% H, 19.2% N, and The amino acid lysine has the percent composition 49.3% C, 9.59% H, 19.2% N, and
Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ... Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ...
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library