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gayaneshka [121]
3 years ago
6

Select the best definitions of population and sample. A sample is the group from whom information is being collected. A populati

on is the larger group the sample represents. A population is a number that describes an entire group. A sample is a number that describes a sub-collection of that group. A sample is the complete group under study. A population is a sub-collection of members selected from the sample A sample is a group selected in such a way that each member has a known chance of being in the group. A population is the larger group the sample represents. A population is the complete group under study. A sample is the sub-collection of members of the population from which data are actually collected.
Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

A population is defined as the data set which consists of all members of a specified group and the sample contains a part or a subset of a population.

For example : all the students of a school are population. But out of all, how many students play sports is a sample.

Hence, the answer is - A population is the complete group under study. A sample is the sub-collection of members of the population from which data are actually collected.

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Wich system of equations would have NO solution? (Answer correctly with work for branliest)
siniylev [52]

Answer:

A and D both equations don't have any solution

Step-by-step explanation:

y = 3x + 2

so y ≠ - 3x - 2

if 3x + y = 8

then 3x + y ≠ 9

7 0
2 years ago
Graph the line y = 3x
ollegr [7]

Answer:

literally google graphing calculator and type 3x

7 0
2 years ago
Read 2 more answers
The lengths of salamanders have a normal distribution with mean 15cm, and standard deviation 2cm. What length of salamander woul
Law Incorporation [45]

Answer:

16.68 cm

Step-by-step explanation:

Given that :

Mean , m = 15

Standard deviation, s = 2

Length of salamander that would Place it at 80% of salamander length :

P(Z ≤ x) = 0.8

Zscore equivalent to 0.8 = 0.842

Using the relation :

Zscore = (x - m) /s

0.842 = (x - 15) / 2

1.684 = x - 15

Add 15 to both sides

1.684 + 15 = x - 15 + 15

16.684 = x

Hence, x = 16.68 cm

4 0
2 years ago
Ok guys my friend is telling me that i am doing this problem wrong 4^4+1/2=256.5 and he is tell me that it is 16.5 am i right or
Alexxx [7]

Simplify 4^4 to 256

256 + 1/2 = 256.5

Simplify 256 + 1/2 to 513/2

513/2 = 256.5

Since both sides equal, there are infinitely many solutions.

3 0
3 years ago
Read 2 more answers
A ski rental store rents a pair of skis for $44 a day and a snowboard for $58 a day. Yesterday, the store made $2,232 on ski and
Katen [24]

First, let the number of skis rented by x and the number of snowboards rented by y. We can then assemble the first equation from the amount of money made from the rentals.


44x + 58y = 2232


The second equation can come from the fact that 9 more skis were rented than snowboards.


y = x - 9


Therefore our system is:


44x + 58y = 2232

y = x - 9

3 0
3 years ago
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