1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nana76 [90]
2 years ago
10

Using diaries for many weeks, a study on the lifestyles of visually impaired students was conducted. the students kept track of

many lifestyle variables including how many hours of sleep obtained on a typical day. researchers found that visually impaired students averaged 8.14 hours of sleep, with a standard deviation of 1.78 hours. assume that the number of hours of sleep for these visually impaired students is normally distributed.
Mathematics
1 answer:
katovenus [111]2 years ago
3 0
<span>Visually impaired students averaged 8.14 hours of sleep with a standard deviation of 1.78 hours. Average sleep of the students will be 6.36.</span>
You might be interested in
Isolate the variable 4m=92
const2013 [10]
<span>Simplifying 4x = 92 Solving 4x = 92 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '4'. x = 23 Simplifying x = 23</span>
5 0
3 years ago
At the beginning of June, Max and Sean start saving money for the fair, which occurs 10 weeks later. Sean
Murrr4er [49]

Answer:

Step-by-step explanation:

sean has 20 +2 : 2 x 7 = 14 + 20 = 34  

max has 0 + 5: 5 x 7 = 35

so after 7 week max will have more money

4 0
3 years ago
Four of your friends went out to dinner. The total bill was $97.38. One of your friends has a coupon for 35% off and the group l
GaryK [48]
It is $18.672615 or $18.67 a piece
4 0
3 years ago
Martina's fish tank has 15 liters of water in it. She plans to add 5 liters per minute until the tank has at least 55 liters. Wh
Black_prince [1.1K]

Answer:

every 5 minutes ....

Step-by-step explanation:

3 0
2 years ago
Please help me in really confused
Marina86 [1]
The chart on the side should help you out. The width of a doorway is approximately 1 meter and the height of a skyscraper is 1,000 meters. Divide the height of the skyscraper by the width of the doorway to get your answer. It would take 1,000 door widths to make up the height of a skyscraper, so the height of the skyscraper is 1,000 times the width of the doorway.
5 0
3 years ago
Other questions:
  • Enter the correct answer in the box. Use the sum of cubes identity to find the factors of the expression 8x^6 + 27y^3
    5·2 answers
  • One number is seven more than another. If their sum is -3 find the numbers
    14·1 answer
  • What are the solution(s) of the quadratic equation 98 – x2 = 0?
    5·1 answer
  • A triangle has a height of 22 and a base of 10. What is the area (in square units)?
    11·1 answer
  • A standard six-sided die is thrown. What is the probability that the number that comes up is less than or equal to 4?
    11·1 answer
  • Sara and Gordon win some money and share it in the ratio 2:1. Sara gets £28 more than Gordon. How much did they get altogether?
    14·1 answer
  • To find the quotient 2/5 divided by 1/4 multiply
    5·2 answers
  • What is the midpoint of a segment in the complex plane with endpoints at 6-2i and -4+6i?
    13·1 answer
  • Hi i know im desperate but pls ill give you BIG BIG points…
    7·2 answers
  • Which 2 number have the mean of 10 and range of 4
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!