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

Author Question: In a survey of 1000 Americans, 850 said that they own a cell phone. Assume that the survey was ... (Read 77 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
on: May 5, 2020

Question 1

An honest coin is tossed n times. Let the random variable X denote the number of heads tossed. How many tosses n are required to be 97.5% certain that X will be less than + 20?
◦ 100
◦ 800
◦ 400
◦ 200
◦ none of these

Question 2

In a survey of 1000 Americans, 850 said that they own a cell phone. Assume that the survey was properly conducted and that the 1000 people surveyed represent an unbiased sample of the entire population. Estimate the standard error for this survey.
◦ ≈ 0.1%
◦ ≈ 11.1%
◦ ≈ 11.3%
◦ ≈ 12.75%
◦ ≈ 1.1%
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Pea0909berry on May 5, 2020

kescobar@64

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: May 5, 2020
Wow, this really help

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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 oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

The process of mitosis in an animal cell. The process of mitosis in an animal cell.
Prostate Cancer Cell Prostate Cancer Cell
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact, A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
The anatomical distortion of the structure of RBCs in sickle cell anemia affects its normal function ... The anatomical distortion of the structure of RBCs in sickle cell anemia affects its normal function ...
Cell biology Cell biology
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library