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

Author Question: The probability that an individual has 20-20 vision is 0.12. In a class of 70 students, what is the ... (Read 510 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jul 24, 2018
The probability that an individual has 20-20 vision is 0.12. In a class of 70 students, what is the mean and standard deviation of the number with 20-20 vision in the class?
 
  A) mean: 8.4; standard deviation: 2.71882327 B) mean: 70; standard deviation: 2.71882327
  C) mean: 8.4; standard deviation: 2.89827535 D) mean: 70; standard deviation: 2.89827535

Question 2

True or False: If a residual plot shows an almost straight line then a linear model is appropriate.
 
  A) False B) True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iceage

  • Guest
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


stock

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Jul 24, 2018
Thanks


iceage

  • Guest
Reply #3 on: Jul 24, 2018
Welcome :)


« previous next »
 

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.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

A tapeworm, Taenia pisiformis, a member of the class Cestoda. A tapeworm, Taenia pisiformis, a member of the class Cestoda.
The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
Trichromatic Theory of Color Vision Trichromatic Theory of Color Vision
Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ... Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...
College Students, By Sex and Race-Ethnicity College Students, By Sex and Race-Ethnicity
Students and Money Students and Money
Video: Role of complement proteins

For a complete list of videos, visit our video library