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
luda_lava [24]
3 years ago
6

The distribution of the heights of students in a large class is roughly Normal. Moreover, the mean height is 68 inches, and appr

oximately 95% of the heights are between 62 and 74inches. Thus, the standard deviation of the height distribution is approximately equal to
Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
3 0

Answer:

Probably equal to 6 or 7.

Step-by-step explanation:

You might be interested in
I theater sells tickets for a concert. Tickets for lower-level seats sell for $35 each and tickets for upper-level seats sell fo
lora16 [44]

Let X= the number of tickets sold at $35 each

Let 350 -X = the number of tickets sold at $25 each

The number of tickets sold for each type will be computed as follows:

X(35)+(350-X)25=10250

35X+8750-25X=10250

10X=10250-8750

X=1500/10

X=150 the number of tickets sold at $35 each

350-150 the number of tickets sold at $25 each

To recheck:

150(35)+200(25)

5250+5000

10250

7 0
2 years ago
What are expressions equal to 16a+40
Liula [17]
8a+8a+40
It is equivalent
8 0
3 years ago
The equation P=6s represents the perimeter P of a regular hexagon with side length s. What is the perimeter of a regular hexagon
Verdich [7]

we know that s = 3, so plug it in.

P = 6(3)

P = 18

perimeter = 18 km

6 0
2 years ago
Read 2 more answers
Solve<br> -7x = 21<br> X =<br> please help ASAP
Tomtit [17]

Answer: x = -3

Step-by-step explanation:

i simply divided by -7, in order to get x by itself.

-7/-7x = 21/-7

that cancels out the -7 on the left side, and leaves us with -3 on the right side!

x = -3

6 0
2 years ago
Read 2 more answers
Find the value of x. The answer is 53, but I need to show my work.<br><br> THANK YOU!!!
fiasKO [112]

Answer:

53

Step-by-step explanation:

so first sutract the large angle from 360:

360 - 213 = 147

then subtract the other large known angle:

147 - 107 = 40

now we know the x - 13 = 40 so to find x we just have to add 13:

40 + 13 = 53

3 0
3 years ago
Read 2 more answers
Other questions:
  • Asmaa is shopping for an infant car seat. She has a coupon for 20% off any purchase over $35
    6·2 answers
  • If ∠a and ∠b are supplementary and m∠a = 37°45', then m∠b =
    8·1 answer
  • maria is painting her bedroom. she has 4 2/3 gallons of paint. she needs 3/4 gallon for the trim and 3 1/2 gallons for the walls
    10·1 answer
  • If f(x) = x + 7 and g(x) = 1/x -13, what is the domain of (f O g)(x)
    15·2 answers
  • -7 2/3 +(5 1/2) + 8 3/4 =
    15·1 answer
  • Sarah has made 30dresses, and she plans to make 3more dresses per month. Her sister , Anna has 40dresses and is planning on givi
    9·1 answer
  • Line a passes through points (2, 1) and (7, 9). Line b is perpendicular to a. What is the slope of line b?
    11·1 answer
  • The price of 7 cell phones, 9 TV sets and 12 air-conditioners is
    13·1 answer
  • Evaluate 4x squared - 8x + 8 when x = -6
    8·1 answer
  • 6 cupcakes for £5 or 4 cupcakes for £3.50​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!