I need help with this question, i will give branliest

Mathematics

2 answers:

lisov135 [29]3 years ago

4 0

Answer:

answer is c of your question

IgorLugansk [536]3 years ago

3 0

The answer will be C. Do u need an email explanation

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You want to estimate the number of students in your middle school school who buy school lunch. Which sample is unbiased?

Nezavi [6.7K]

A biased example: Asking students who are in line to buy lunch

An unbiased example: Asking students who are leaving/going to lunch(NOT buying lunch).

But in this case, the answer choices can be... confusing.
Don't panic! You're given numbers and, of course, your use of logic.

Answer choice A: 100 students grades 6-8
Answer choice B: 20-30 students any one grade
Answer choice C: 5 students
Answer choice D: 50 students grade 8

An unbiased example would be to choose students from any grade. So we can eliminate choices B and D.

Now, the question wants to estimate how many people at your middle school buy lunch. This includes the whole entire school, and if you are going to be asking people, you aren't just going to assume that if 5 people out of 5 people you asked bought lunch, the whole school buys lunch.

So, to eliminate all bias and/or error by prediction, answer choice A, the most number of students, is your answer.

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2 years ago

Help pls!! Which technique below will help you find the balance point or center of gravity?

Ierofanga [76]

Answer:

I'm taking an educated guess here and saying that its option two.

I haven't done these problems in almost two years.

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2 years ago

Which pair of expressions is equivalent?

dlinn [17]

Answer:

Step-by-step explanation:

sorry if i am wrong

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3 years ago

What is 8 over 40 in simplest form?

AleksandrR [38]

We have
$\frac{8}{40}$
To simplify it we can divide numerator and denumerator by the same number (the greatest possible is the best)
$\frac{8}{40}= \frac{8:8}{40:8} = \frac{1}{5}$ - its the simples form..

5 0

3 years ago

Read 2 more answers

Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S = 1 + 2 + 3 + ... + 24 + 25, find the value of

Anastaziya [24]

Answer:

325

Step-by-step explanation:

You must have heard about Arithmetic Progressions (AP)

Arithmetic progressions are a series of numbers such that every successive number is the sum of a constant number and the previous number.

Our very own counting numbers form AP

For example :-