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
Rus_ich [418]
3 years ago
15

A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd

Mathematics
1 answer:
Damm [24]3 years ago
5 0

Answer:

negative

Step-by-step explanation:

calculating the z score by subtracting the mean and dividing by the standard deviation

(55-70)/10= -1.5

It's negative

You might be interested in
Solve.
jenyasd209 [6]

Answer:

no solution

Step-by-step explanation:

(you do the exact same you'd do in an equation problem. Get x by itself)

3x+1<2x-2<5x+7

1 < -x-2 < 5x+7

3< -x < 5x+9

3 < -6x < 9

-(1/2) > x > -(3/2)

x can't be bigger than -3 halves and be smaller than -1 half, so the answer is no solution

6 0
3 years ago
Write the verbal expression for each algebraic expression.
sukhopar [10]

Step-by-step explanation:

i hope it helped you a lot. thankyou

7 0
3 years ago
ΔDEF is similar to ΔABC as shown below, and x represents the length of segment EF.
Marysya12 [62]
Explaining- when you look at the vertex to the other vertex you see the length and that is when you multiply

Answer- A
4 0
3 years ago
Solve the system of equations<br> 3x – 2y + 4z = -14<br> -4x + y + 4z = -16<br> -3x - y - 4z = 2
Naddika [18.5K]

Answer:

x,y,x = 2,4, -3

Step-by-step explanation:

8 0
3 years ago
Quintin read a report claiming that 4% of police officers in the US have had a formal complaint filed
Alex73 [517]

Answer:

A, B, C

Step-by-step explanation:

Got it right on khan academy

4 0
3 years ago
Other questions:
  • Beth wants to paint the four walls of her rectangular bedroom. Her room is 10 feet wide, 13 feet long, and 8 feet high. She will
    10·1 answer
  • The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical​ trial, results c
    13·2 answers
  • What is the equation -7+82
    9·2 answers
  • Every day, Katie looks for seashells on the beach. She has 28 shells in her collection. Katie finds 12 more shells each day. Wri
    13·1 answer
  • PLS ANSWER it CORRECTLY for 25 points<br>​
    14·1 answer
  • Help the whole question is right there, it's pretty easy I just don't have brainpower
    12·1 answer
  • I need helppppppppppppppp
    10·1 answer
  • I’ll give Brainly!
    14·1 answer
  • A racing car travels around a 2k circuit at 120km/h.
    7·1 answer
  • Polly has 16 sweets less than Gary, who has 48 sweets.How many sweets does Polly have?​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!