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Ede4ka [16]
3 years ago
10

Please help me, awarding brainliest to the best answer.

Mathematics
2 answers:
nadezda [96]3 years ago
8 0

Answer:

A

Step-by-step explanation:

Statistical questions give data of multiple accounts.

pantera1 [17]3 years ago
3 0
A it’s a a a a a a a a a a a a. A a
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A researcher conducted a hypothesis test to see if students on average spend more than 1 hour per homework assignment. The level
grandymaker [24]

Answer:

a. True

Step-by-step explanation:

By ∝= 5% we mean that there are about 5 chances in 100 of incorrectly rejecting a true null hypothesis. To put it in another way , we say that we are 95% confident in making the correct decision.

In the given question the null hypothesis is

H0: u ≤ 1 hour and Ha:  u > 1 hour

So there is a 5% chance that the erroneous conclusion will be made that students spend on average more than 1 hour per assignment.

The given statement is true.

5 0
3 years ago
How many times can 3 go into 500
AlladinOne [14]
All you have to do is divide 500 by 3.
500 divided by 3 is 166.666667

I hope this helps:)
3 0
3 years ago
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The math department faculty at a large university wanted to know what portion of the student body believes students should be ab
Leya [2.2K]

Answer:

The population of interest for this student is the students whom are enrolled in statistics classes.

Step-by-step explanation:

Sampling

This is a common statistics practice, when we want to study something from a population, we find a sample of this population.

For example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents wheter they are Buffalo Bills fans, and expand this to the entire population of New York State residents.

The population of interest are all residents of New York State.

A simple random sample of 500 students was selected from all the students enrolled in statistics classes.

This means that the population of interest for this student is the students whom are enrolled in statistics classes.

3 0
3 years ago
Convert 250 lbs to kilograms. Note: 1 kilogram=2.205 lbs
almond37 [142]

Answer:

Step-by-step explanation:

You need to divide 250 by 2.205 and get 113.398 if you estimate it your answer will be 113

4 0
3 years ago
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F(x) = -x² + x + 14<br> Find f (2)
Rama09 [41]

Answer:

Step-by-step explanation:

f(2) = -2^2 + 2 + 14 = -4 + 2 + 14 = 12

5 0
2 years ago
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