« previous next »

Author Question: A health club annually surveys its members. Last year, 33 of the members said they use the treadmill ... (Read 130 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jun 24, 2018
A health club annually surveys its members. Last year, 33 of the members said they use the treadmill at least four times a week. How large a sample should be selected this year to estimate the percentage of members who use the treadmill at least four times a week? The estimate is desired to have a margin of error of 5 with a 95 level of confidence.

Question 2

Which of the following is a valid objective function for a linear programming problem?
 a. Max 5xy
  b. Min 4x + 3y + (2/3)z
  c. Max 5x2 + 6y2
  d. Min (x1 + x2)/x3


gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

340

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Factors that contribute to the growth of family members. Factors that contribute to the growth of family members.
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ... Photos of starving children, such as this child in Somalia, haunt Americans and other members of the ...
homework help health studies homework help health studies
Concepts related to environmental health Concepts related to environmental health
Video: Transcription—A molecular view

For a complete list of videos, visit our video library