« previous next »

Author Question: A major cell phone service provider has determined that the number of minutes that its customers use ... (Read 89 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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Examples of different cell types in humans Examples of different cell types in humans
Differences in the number and location of flagella. Differences in the number and location of flagella.
Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
Each experimental organism used in cell biology has advantages for certain types Each experimental organism used in cell biology has advantages for certain types
Major Degenerative Diseases of the Central Nervous System Major Degenerative Diseases of the Central Nervous System
How to write any number in scientific notation How to write any number in scientific notation
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library