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
ra1l [238]
3 years ago
5

The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a st

udent scored more than 850 on the standardized test ?
Mathematics
2 answers:
hjlf3 years ago
8 0

Answer:

2%

Step-by-step explanation:

nalin [4]3 years ago
4 0
The probability that student scored more than 850 we shall proceed as follows:
z=(x-μ)/σ
where:
x=850
μ=750
σ=50
thus
z=(850-750)/50
z=2
thus
P(x>850)=1-P(x<850)=1-P(z<2)=1-0.9772=0.0228

Answer: P(x>850)=0.0228
You might be interested in
Sue drank 2/3 liter of water Monday before going jogging. She drank 3/4 liter of water after her jog. How much water did Sue dri
Sedaia [141]

Answer:

17/12

Step-by-step explanation:

hope this helped your welcome

3 0
3 years ago
PLEASE HELP ASAP 5 STARS, 20 POINTS
777dan777 [17]

Answer:

Step-by-step explanation:

Using the inequality rule, the third side has to be less than 12 + 16 = 28.
So, any answer of 28 or more than 28 does NOT satisfy the length.
It also has to be more than 4 to satisfy the inequality rule.

In short words, 4 < x < 28.

A, B and C all satisfy, because they are in the range of x

D) 32 is >28, so this is the wrong answer and CANNOT be the value of x.

7 0
3 years ago
Read 2 more answers
PLEASE HELP ME ILL MARK BRAINLIEST !!!!! spam reported
givi [52]

Answer:

a) -4

b) +343

Step-by-step explanation:

a) 10 shares - loss $40

    1 share --- ?

? = 40 / 10 = 4 decrease

b) each week 7 members increase for 49 weeks

so total increase = 7 * 49 = 343

4 0
3 years ago
Read 2 more answers
Describe two different cross section shapes that can be formed by slicing a cylinder. For each shape describe how the cross sect
artcher [175]

either a rectangle or circle will be made. If you cut it horizontially you will get a circle. Vertically and you will have a rectangle

5 0
3 years ago
A father's age now is three times the age that his son was four years ago. In 12 years, the father will be twice as old as his s
irina1246 [14]

Answer:

Now, the father is 60, and the son is 24.

Step-by-step explanation:

Now:

Father's age = f

Son's age = s

4 years ago:

Father's age = f - 4

Son's age = s - 4

In 12 years:

Father's age = f + 12

Son's age = s + 12

Now:

f = 3(s - 4)

In 12 years:

f + 12 = 2(s + 12)

We have 2 equations that we can solve in a system of equations.

f = 3(s - 4)

f + 12 = 2(s + 12)

f = 3s - 12

f + 12 = 2s + 24

f = 3s - 12

f = 2s + 12

Since above both equations are in terms of f, set the right sides equal and solve for s.

3s - 12 = 2s + 12

s = 24

f = 3(s - 4)

f = 3(24 - 4)

f = 3(20)

f = 60

Now, the father is 60, and the son is 24.

8 0
2 years ago
Other questions:
  • What is 2x6÷2+1 help me!
    14·2 answers
  • Gracie is shipping a cube shaped box. It measures 18in x18in x18in what is the surface area of the box
    13·1 answer
  • Reinel saves 30% of every pay check. His paycheck last week was 560$. How much did Reniel save last week?
    6·2 answers
  • Line M passes through the points (1,2) and (3,5) , find the X- and Y- intercepts
    13·2 answers
  • HELP ME please I need to pass :((
    7·1 answer
  • A family paid $142.80,which included $6.80 in taxes,for 4 play tickets.Each ticket costs the same amount.How much did each perso
    14·1 answer
  • What is the 25th term of the arithmetic sequence where a1=8 and a9=48 ? answers to choose from. a)113. b)118. c)123. d)128
    8·2 answers
  • Y = 4( x + 2)^2 - 8<br><br><br> Convert the equation from vertex form to standard form.
    10·2 answers
  • How do I solve this equation?
    15·1 answer
  • If 750 chocolates are divided between 15 children, how many chocolates would each child receive?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!