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
aivan3 [116]
3 years ago
15

A score that is 12 points below the mean corresponds to a z-score of z = -3.00. What is the population standard deviation?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
4 0
Standard deviation=4.

let the mean be 12 and the score be 0 (therefore 12 point difference.)

0-12/s=-3 (s being standard deviation)
-12/4 = -3
You might be interested in
The quotient of 27 less than m and twice m
masya89 [10]

Answer:

<u>  m-27 </u>

  2m

Step-by-step explanation:

6 0
3 years ago
Which is greater, (1/2)⁴² or (1/2)⁴⁵? Why?​
weqwewe [10]

Answer:

1/2^42 because the 45 will be dividing it b half 3 more times

Step-by-step explanation:

8 0
2 years ago
Which is the answer
sukhopar [10]

Answer:

Inverse property

Step-by-step explanation:

The definition of the inverse property is to add to get a result of zero. Since we are adding the inverse of each term to get a result of zero each time, we are using the inverse property.

6 0
3 years ago
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
vodomira [7]

Finding the discriminate of a quadratic formula determines the number and type of answers.

The formula is b^2 -4(ac)

a = 6. b = -7 and c = -4

-7^2 -4(6*-4) = 145

The answer is a positive number so this means there are 2 real solutions.

7 0
3 years ago
Read 2 more answers
Explain how to use the combine place values strategy to find 223 - 119
ololo11 [35]
 the anwser is 104 because u subrtacted
8 0
3 years ago
Other questions:
  • Workers are going to load 12 crates of cantaloupes onto a freight elevator. Each crate of cantaloupes contains 10 boxes of canta
    9·2 answers
  • Find the standard equation of the circle defined by the equation x^2 + y^2 +8x - 12y + 43 = 0. ANSWERS ATTACHED, due in 2 HOURS,
    7·1 answer
  • Find the sum of the first 11 terms of the geometric sequence shown below. <br> -3/2, 3, -6, 12...
    13·1 answer
  • Suppose we generate a random variable X in the following way. Forst we flip a fair coin. If the coin is heads, take X to have a
    10·1 answer
  • On a certain day, the temperature in Seattle was -1ºC and the temperature in Houston was 18ºC. How many degrees lower was the te
    7·1 answer
  • What is x in the equation 4x+x+10=11x-6x+10
    7·2 answers
  • 1=2323<br> x=2323<br> what will xe be if the eqation is x21=232x2312/232
    11·1 answer
  • Determine the zeros of <br> f(x) = (x + 5)^2 - 6
    15·1 answer
  • Mr. Wilson has $2,500 in his savings account and m dollars in his checking account Write an expression that describes the total
    11·1 answer
  • Alma is going to Europe and wants to exchange $1,200 into euros. If each dollar is 0.75 euros, how many euros will alma get?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!