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densk [106]
3 years ago
7

Please help me will mark brainliest

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

B

Step-by-step explanation:

pretty sure its b.......

timama [110]3 years ago
7 0
The answer would be B!!
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What is the best estimate of the sum of the fractions?
gavmur [86]

Answer:

499/36

Step-by-step explanation:

If you find the LCM of all fractions and add them then you get 279/36+204/36+16/36 which is equal to 499/36

3 0
3 years ago
Consider the students in your statistics class as the population and suppose they are seated in four rows of 10 students each. T
hoa [83]
Given:
4 rows of ten students.

Probability of a head or tail in a coin toss is 1/2

head: 20 students sitting in the first two rows as your sample
1/2 * 1/20 = 1/40

tail: 20 students sitting in the last two rows as your sample.
1/2 * 1/20 = 1/40

<span>Does every student have an equal chance of being selected for the sample?
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Yes, every student have an equal chance of beings elected for the sample.

4 0
3 years ago
I don’t know how to solve these can someone help me
Svetach [21]

Answer:

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8 0
3 years ago
A major advantage of longitudinal design over the cross-sectional design is the ability to detect change as a result of repeated
Alex73 [517]

Answer:

Conclusion: The statement is true.

Step-by-step explanation:

A longitudinal design consists of the observation of one or several variables in a group of individuals during a time window, in order to record the possible changes that are generated in said characteristic in that lapse.

On the other hand, the transverse design is concerned with measuring one or several variables at a single point of time and, therefore, does not allow changes to be detected over time.

Conclusion: The statement is true.

5 0
3 years ago
The set of x values of a function, this is another name for domain
Naily [24]
The set of x values of a function is another name for domain. and the set of y values of a function is another name for range.

hope this helps, God bless!
5 0
3 years ago
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