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

Author Question: A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of ... (Read 150 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Feb 14, 2020

Question 1

The probability that an individual is left-handed is 0.16. In a class of 80 students, what is the mean and standard deviation of the number of left-handed students? Round to the nearest hundredth when necessary.
◦ mean: 12.8; standard deviation: 3.28
◦ mean: 80; standard deviation: 3.58
◦ mean: 12.8; standard deviation: 3.58
◦ mean: 80; standard deviation: 3.28

Question 2

A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of 20 adults over 50, what is the mean and standard deviation of the number who wear glasses? Round to the nearest hundredth when necessary.
◦ mean: 12.6; standard deviation: 3.55
◦ mean: 7.4; standard deviation: 2.16
◦ mean: 7.4; standard deviation: 3.55
◦ mean: 12.6; standard deviation: 2.16
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jerry coleman on Feb 14, 2020

Gabe

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Feb 14, 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 25% of students answer this correctly


jerry coleman

  • Member
  • Posts: 570
Reply 2 on: Feb 14, 2020
Thanks for the timely response, appreciate it

vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi
An embedded particle of something was found on one of the gears, making this pump worthless except ... An embedded particle of something was found on one of the gears, making this pump worthless except ...
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ... Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
Survey of conserved nucleotides in E. coli promoters Survey of conserved nucleotides in E. coli promoters
Buzzed driving is drunk driving Buzzed driving is drunk driving
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library