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

Author Question: A recent survey found that 74 of all adults over 50 own cell phones. You randomly select 41 adults ... (Read 212 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
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
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
Thanks for the timely response, appreciate it


cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library