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

Author Question: A report on spending by adults on recreation stated the following: At least 75 percent of the people ... (Read 77 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jun 24, 2018
A report on spending by adults on recreation stated the following: At least 75 percent of the people in the survey spend between 750 and 1,250 per year. The report also said that at least 88 percent spend between 625 and 1,375 per year.
 
  Given this information, which of the following is most apt to be true?A) The standard deviation is approximately 125.
  B) The distribution of spending on recreation can be assumed to be bell-shaped.
  C) The standard deviation is approximately 187.5.
  D) The standard deviation is approximately 250.

Question 2

In determining the required sample size in an application involving an estimate for the population mean, if the population standard deviation is known, there is no compelling reason to select a pilot sample.
 
  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

Andromeda18

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Laurenleakan

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Any number of crossovers gives 50 percent recombinants Any number of crossovers gives 50 percent recombinants
In the 1800s, most people were poor, and formal education beyond the first several grades was a ... In the 1800s, most people were poor, and formal education beyond the first several grades was a ...
Action! Children love to talk about the actions of adults and animals, which provides a natural way ... Action! Children love to talk about the actions of adults and animals, which provides a natural way ...
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
Programs such as Meals on Wheels provide hot meals to elderly adults who cannot leave their homes Programs such as Meals on Wheels provide hot meals to elderly adults who cannot leave their homes
Convert percent to Fraction Convert percent to Fraction
Video: Glycolysis - Introduction to ATP and the burning of sugar

For a complete list of videos, visit our video library