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
bulgar [2K]
3 years ago
14

Q. If heights of 3rd graders follow a normal distribution with a mean of 52 inches and a standard deviation of 2.5 inches, what

is the z score of a 3rd grader who is 47 inches tall?
A. z=-5
B. z=-2
C. z=2
D. z=5
Mathematics
1 answer:
zaharov [31]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

You might be interested in
There are 60 students in Kinsley's grade. 3 of the students are enrolled in health. What
GREYUIT [131]
5% of the kids are in health. I got this from simplifying 3/60 which is 1/20

After that, i set up this equation: 1/20 times x/100

I would then divide 20 and 100 to get 5 and that’s basically what I did
4 0
1 year ago
Quanto é 60 x 11 + 346²
Bond [772]

Answer:

120376

Step-by-step explanation:

Primeiro peguei 60x11 e os multipliquei e obtive 660. Em seguida, descobri que 346 ^ 2 é 119716. Somei meus dois números e obtive 120376.

Espero que isso ajude você! :)

8 0
3 years ago
Pls help me with i have no help pt 2
ioda

Answer:

2

Step-by-step explanation:

2

4 0
2 years ago
Read 2 more answers
My question is what's <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7D%7B5%7D%20%20%3D%20%20%5Cfrac%7B2%7D%7B2.5%7D%20
Reptile [31]
Hi, I'd be glad to help you with this equation. 

The answer is (x = 4) 

Hope this helps. 
Have a great day!
6 0
3 years ago
PLZZZ NEED HELP ASAPPPP!!!!!!!
frosja888 [35]
What do you need help with ma’am
7 0
3 years ago
Other questions:
  • Whats the answer for <br> b.b 9=21?
    9·1 answer
  • Simplify 35 ÷ 33. A)   6 B)   5 C)   9 D)   1
    14·1 answer
  • Calibrating a scale:
    9·1 answer
  • 15 POINTS!
    9·2 answers
  • Which polynomials are in standard form A.)5-2x or B.)x^4-8x^2-16 or C.)5x^3+4x^4-3x+1 or is it D.)none of the above
    6·1 answer
  • Help me with this i dont really get it
    8·1 answer
  • HELP Increase 1 by 10%
    13·2 answers
  • Write an equation in slope-intercept form of the line that has a slope of 4 and a y-intercept of 9.
    7·1 answer
  • Sally has 15 quarts of milk. One quart is equal to 1 4 of a gallon. How many gallons of
    12·1 answer
  • Complete the arithmetic sequence with its missing terms, then state the rate of change for the sequence.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!