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

Author Question: A variable x has a mean, , of 13.3 and a standard deviation, , of 5.5. Determine the z-score ... (Read 68 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
A variable x has a mean, , of 13.3 and a standard deviation, , of 5.5. Determine the z-score corresponding to an observed value for x of 10.6. Round your final answer to two decimal places.
 
  A) 4.35 B) 0.49 C) 0.38 D) -0.49

Question 2

An employee at the local ice cream parlor asks three customers if they like chocolate ice cream. Identify the sample and population.
 
  A) Sample: the 3 selected customers; population: the customers who like chocolate ice cream
  B) Sample: the 3 selected customers; population: all customers
  C) Sample: all customers; population: the 3 selected customers
  D) Sample: the customers who like chocolate ice cream; population: all customers



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

connor417

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

D

Answer to Question 2

B




tsand2

  • Member
  • Posts: 520
Reply 2 on: Jul 25, 2018
Wow, this really help


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library