« previous next »

Author Question: A major cell phone service provider has determined that the number of minutes that its customers use ... (Read 109 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
A major cell phone service provider has determined that the number of minutes that its customers use their phone per month is normally distributed with a mean equal to 445.5 minutes with a standard deviation equal to 177.8 minutes.
 
  As a promotion, the company plans to hold a drawing to give away one free vacation to Hawaii for a customer who uses between 400 and 402 minutes during a particular month. Based on the information provided, what proportion of the company's customers would be eligible for the drawing?A) Approximately 0.1026
  B) About 0.004
  C) Approximately 0.2013
  D) About 0.02

Question 2

What is the expected monetary value (in ) of the Q index fund?
 
  A) 1.38
  B) 0.29
  C) 1.11
  D) 0.93


fwbard

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

How a Cell is Seen How a Cell is Seen
Cancer cell. Cancer cell.
Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re
Nanotechnology in Fuel Cell Schematic of a hydrogen gas tank for a car Nanotechnology in Fuel Cell Schematic of a hydrogen gas tank for a car
The diaphragm: The major muscle of breathing. The diaphragm: The major muscle of breathing.
Casting numbers on major components can be either cast or stamped. Casting numbers on major components can be either cast or stamped.
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library