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
Dvinal [7]
3 years ago
7

The ACT is an exam used by colleges and universities to evaluate undergraduate applicants. The test scores are normally distribu

ted. In a recent year, the mean test score was 21.1 and the standard deviation was 5.0. Find the z-score for the student who scores a 15.
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

- 0.40666

Step-by-step explanation:

Given that:

Mean, m = 21.1

Standard deviation, s = 5.0

Score, x = 15

Zscore formula :

Zscore = (x - m) / s

Zscore = (15 - 21.1) / 15

Zscore = - 6.1 / 15

Zscore = - 0.40666

You might be interested in
Quadrilateral BCDE has vertices B(-1, -1), C(6,-2), D(5, -9), and E(-2,-8).
natima [27]
B because it make the most sense
3 0
2 years ago
One bottle of ongo pain medicine contains 60 tablets. How many tablets are contained in 3 3/4 bottle
Snowcat [4.5K]

answer:

600 tablets in 33/4

Step-by-step explanation:

60 =1bottle

33/4 =8.25 =8 bottles and1/4

60*8=480

480/4=120

120+480=600

5 0
3 years ago
1. What is the surface area of the cube
Marrrta [24]

Answer:

96 in. squared

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve the formula ..........
Flauer [41]
D=rt for t
÷r both sides
d/r=t
A
3 0
3 years ago
Can an expert help me out with this please.step by step explanation..Ill give brainless and points​
GenaCL600 [577]
5/35 so 1/7 as a decimal this is .143. This is because it says D OR F which means add them and divide by 35. So your answer is 0.143
6 0
3 years ago
Other questions:
  • Use the formula P=21+2w to find the width of a rectangle when the length is 18cm and perimeter is 48 ..
    14·1 answer
  • Can someone break this down for me!! I'm stuck
    12·1 answer
  • Need 27/75 turned into as a decimal
    5·1 answer
  • A modified roulette wheel has 32 slots. One slot is​ 0, another is​ 00, and the others are numbered 1 through 30​, respectively.
    9·1 answer
  • Need help with the question that says how long is the string in centimeters.SHOW YOUR WORK!!!
    5·1 answer
  • Kristy had a piece of fabric that she cut into 8 equal squares. Each square has area 0.625 ft2. What is the area of Kristy's ori
    14·1 answer
  • (x+30 degrees) +(45 degrees)
    14·2 answers
  • You advance 3 levels in 15 minutes. Your friend advances 5 levels in 20 minutes. Are these rates proportional? Explain.
    15·2 answers
  • Solve this question for 20 points pls
    5·2 answers
  • Write the number 0.464646464646 as a fraction let x=
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!