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
Vlad1618 [11]
3 years ago
9

Distribution with a mean of 100 and standard deviation of 15...

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0
Use the z-score:
                                      112 - 100
For 112, the z-score is --------------- = 12/15, or 0.8.  
                                             15

Next, find the AREA under the standard normal curve TO THE LEFT OF 0.8.

Use either a z-score table or a calculator for this purpose.

Using my calculator, I found that this area is 0.532.  That places 112 in the 53rd percentile.

82 would be in a lower percentile:  the 12th percentile.

Let me know if you have questions about how to use a calculator to do these calculations.

You might be interested in
Find three digit numbers that equal 90 when the digits are multiplied together
chubhunter [2.5K]
330 ( 3 x 30 ) is a possible answer
6 0
3 years ago
Read 2 more answers
You lease a car at $395 per month for 3 years. Estimate the total cost of the lease by rounding the monthly payment to the neare
Inga [223]
The lease will cost $14,220 for 36 months at $395 a month
6 0
3 years ago
Read 2 more answers
What is the slope intercept form of (-1,-1) and (-4,-1)
liubo4ka [24]

Answer:

y=-1

Step-by-step explanation:

use point slope formula y-y₁=m(x-x₁)

find m which is slope  -1--1/-4--1= 0/-3= 0

plug in the equation and use the first point

y--1=0(x--1)

y=-1

8 0
2 years ago
Give the property that justifies each step.
hjlf

Answer:

Please check the explanation below.

Step-by-step explanation:

Some of the properties are defined as:

  • <em>Distributive property</em>

a(b+c) = ab+ac

For example,

suppose a=1, b=2, c=3

1(2+3) = 1(2) + 1(3)

5 = 2+3 = 5

  • <em>Subtraction property of Equality</em>

if (a=b), then a-c = b-c

For example,

suppose a=1, b=1, c=3

if a = b ⇒ 1 = 1

then a-c = b-c ⇒ 1-3 = 1 - 3  ⇒ -2 = -2

  • <em>Addition property of Equality</em>

if (a=b), then a+c = b+c

For example,

suppose a=1, b=1, c=3

if a = b ⇒ 1 = 1

then a+c = b+c ⇒ 1+3 = 1+3  ⇒ 4 = 4

  • <em>Multiplicative property of Equality</em>

if (a=b), then a×c = b×c

For example,

suppose a=1, b=1, c=3

if a = b ⇒ 1 = 1

then a×c = b×c ⇒ 1×3 = 1 × 3  ⇒ 3 = 3

  • <em>Division property of Equality</em>

if (a=b), then a÷c = b÷c

For example,

suppose a=1, b=1, c=3

if a = b ⇒ 1 = 1

then a÷c = b÷c ⇒ 1÷3 = 1 ÷ 3  ⇒ 1/3 = 1/3

Let's solve the given equation using the above properties.

5(x+10) = 20        Given

5x+50 = 20          1) Distriburive property ∵ a(b+c) = ab+ac

5x = -30               2) Subtraction property of Equality ∵ if (a=b), then a-c = b-c

x = -6                    3) Division property of Equality  ∵ if (a=b), then a÷c = b÷c

         

5 0
3 years ago
Review Lines and Parabolas
Virty [35]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • Can someone please help me with the evens, thank you!
    15·1 answer
  • Fernando and Maria are at opposite sides of a park. They plan to meet later at a fountain that is located somewhere between them
    6·1 answer
  • Find the percent of increase. Original Price: $200 Retail Price: $250
    9·1 answer
  • The graph of x squared is the solid black graph below. Which function represents the dotted graph?
    6·1 answer
  • What is mean BIJUS ?​
    12·1 answer
  • Can someone help me solve this thanks
    14·1 answer
  • Pls help me with this​
    7·1 answer
  • I need help please please
    11·1 answer
  • The function f(x) = x2 is transformed to obtain the graph of the related function g(x) using a vertical stretch by a factor of 3
    8·1 answer
  • Help me please thanks
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!