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

Author Question: A private opinion poll is conducted for a politician to determine what proportion of the population ... (Read 56 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
on: Jul 25, 2018
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national parks.
 
  How large a sample is needed in order to be 90 confident that the sample proportion will not differ from the true proportion by more than 6?
  A) 188 B) 376 C) 7 D) 114

Question 2

The amount of soda a dispensing machine pours into a 12 ounce can of soda follows a normal distribution with a mean of 12.54 ounces and a standard deviation of 0.36 ounce.
 
  The cans only hold 12.90 ounces of soda. Every can that has more than 12.90 ounces of soda poured into it causes a spill and the can needs to go through a special cleaning process before it can be sold. What is the probability a randomly selected can will need to go through this process?
  A) 0.8413 B) 0.3413 C) 0.6587 D) 0.1587


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pratush dev

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

D


luminitza

  • Member
  • Posts: 555
Reply 2 on: Jul 25, 2018
Thanks for the timely response, appreciate it

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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.

Approach used to determine the evolutionary relationships among many animal species using molecular Approach used to determine the evolutionary relationships among many animal species using molecular
Exponential population growth. Exponential population growth.
How to determine if a table of values represents a function How to determine if a table of values represents a function
Use Fleury’s algorithm to determine Euler Circuit in the following graph. Exhibit exactly one ... Use Fleury’s algorithm to determine Euler Circuit in the following graph. Exhibit exactly one ...
How to calculate the DRT to determine which is more effective against the pathogen How to calculate the DRT to determine which is more effective against the pathogen
Population distribution patterns Population distribution patterns
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library