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

Author Question: A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation ... (Read 36 times)

lauraleepop

  • Full Member
  • ***
  • Posts: 141
on: Mar 25, 2023

A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken.

a.What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean?
b.What is the probability that these 64 students will spend a combined total of more than $715.21?
c.What is the probability that these 64 students will spend a combined total between $703.59 and $728.45?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by lauraleepop on Mar 25, 2023

JulianneMu

  • Full Member
  • ***
  • Posts: 155
Reply #1 on: Mar 25, 2023
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 25% of students answer this correctly


lauraleepop

  • Member
  • Posts: 141
Reply 2 on: Mar 25, 2023
Gracias!

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100 Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
Both students with intellectual disability (ID) and students who are intellectually gifted need ... Both students with intellectual disability (ID) and students who are intellectually gifted need ...
How Fast is the World's Population Growing? How Fast is the World's Population Growing?
World Population, 10,000 B.C. to A.D. 2010 World Population, 10,000 B.C. to A.D. 2010
Standard base-pairing relationships Standard base-pairing relationships
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library