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
Bogdan [553]
3 years ago
13

What is the most important thing that must be true about a sample so that you can make a valid inference about population

Mathematics
1 answer:
exis [7]3 years ago
4 0
<span>Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.

I hope I helped.</span>
You might be interested in
-7x is less than or equal to -21
julsineya [31]
The answer is x=3
if you divide each by -7 to isolate x, it’s equal to positive three because 2 negatives make a positive
6 0
3 years ago
Three cards are dealt from a shuffled standard deck of playing cards. Find the probability that the first card dealt is red, the
harina [27]

There are 52 cards in a deck, half the cards aware red and half the cards are red.

First card being red is 26/52 = 1/2

After the first card is dealt there are 51 cards left and 26 are black so dealing a black card = 26/51

After 2 cards are dealt there are 50 cards left and 25 red ones left. The probability would be 25/50 = 1/2

The probability of all 3 happening = 1/2 x 26/51 x 1/2 = 13/102

Answer: 13/102

3 0
3 years ago
Which of the following is true? (
stiks02 [169]

Answer:

B. |-6|<|-7|

Step-by-step explanation:

|-6| = 6

|-7| = 7

and 6 <7 so the answer is B.

5 0
3 years ago
Which of the following polynomials is in standard form?
ASHA 777 [7]

Answer:

z5+z15-z3-4

hope it's correct

6 0
3 years ago
Read 2 more answers
Help me plz. I dont get this
Ulleksa [173]
Thats easy. figure it out

7 0
3 years ago
Other questions:
  • The body temperatures of adults are normally distributed with a mean of 98.6degrees° F and a standard deviation of 0.60degrees°
    8·1 answer
  • 7x + 2y + 5 - 5x + Oy - 1<br> Simplify expresson
    8·1 answer
  • Help me please I’m stuck /:
    13·1 answer
  • The function f(x = 2x + 1 is defined over the interval [2, 5]. if the interval is divided into n equal parts, what is the value
    8·2 answers
  • Un graph each<br>6 - 3x &lt; 4 – x​
    11·1 answer
  • Replace 1 week with an equivalent factor in days.
    10·1 answer
  • Which inequality is true?
    7·1 answer
  • What is this!!!!!! what is this
    7·1 answer
  • Write an equation of a line that passes through the point (0,-2) and is perpendicular to the image shown.
    8·1 answer
  • If a circular playground has an area of 144 m2. What is the diameter of the playground?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!