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

Author Question: A recent survey found that 74 of all adults over 50 own cell phones. You randomly select 41 adults ... (Read 68 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
on: Jul 25, 2018
A recent survey found that 74 of all adults over 50 own cell phones. You randomly select 41 adults over 50, and ask if he or she owns a cell phone. Decide whether you can use the normal distribution to approximate the binomial distribution.
 
  If so, find the mean and standard deviation, If not, explain why. Round to the nearest hundredth when necessary.

Question 2

In the hypothesis tests for large and small sample means and differences between means, the left hand term in
  the numerator is always a population value.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 25, 2018
Answer to Question 1

use normal distribution,  = 30.34 and  = 2.81.

Answer to Question 2

FALSE


Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jul 25, 2018
YES! Correct, THANKS for helping me on my review

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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.

A comparison between chromosomes found in a normal human cell and a cancer cell from the same person A comparison between chromosomes found in a normal human cell and a cancer cell from the same person
Prostate Cancer Cell Prostate Cancer Cell
Turning cell phones into basic research tools with apps Turning cell phones into basic research tools with apps
A typical eukaryotic cell. A typical eukaryotic cell.
In older adults, higher education is related to higher levels of ego development. In older adults, higher education is related to higher levels of ego development.
Canadian seniors who suffer from select chronic conditions Canadian seniors who suffer from select chronic conditions
Video: Role of transport in a cell

For a complete list of videos, visit our video library