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 114 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
Wow, this really help

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Polypharmacy in older adults Polypharmacy in older adults
A medical assistant should present a neat appearance and make it a habit to wear a smile. A medical assistant should present a neat appearance and make it a habit to wear a smile.
Sample Student Externship Form Sample Student Externship Form
Everyone—from children to adults—can help eradicate hunger Everyone—from children to adults—can help eradicate hunger
Older Adults Benefit from Good Nutrition and Physical Activity Older adults Older Adults Benefit from Good Nutrition and Physical Activity Older adults
) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase ) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase
Video: Alzheimer's Disease

For a complete list of videos, visit our video library