2 years ago

Explain why the number of people in a sample is an important factor to consider when designing a study

1 answer:

4 0

Answer: I got you

Step-by-step explanation: A study that is too large will waste scarce resources and could expose more participants than necessary to any related risk. Thus an appropriate determination of the sample size used in a study is a crucial step in the design of a study.

Hope this help answer your question

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9(x + y) = 9x + 9y what property is that

kogti [31]

The distributive property

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3 years ago

Charlie's weight is nine kilograms greater than his brother's. Together they weigh 99 kilograms. Let x represent the weight of t

spayn [35]

C=x+9, c+x=99, c=99-x

So we have two equations equal to c, c=x+9 and c=99-x, since c=c:

x+9=99-x

2x+9=99

2x=90

x=45, and since c=x+9, c=54

So Charlie weighs 54 kg and his brother weighs 45 kg.

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3 years ago

HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Correct answer gets brainliest. If johnny had 3,780 fake dollars from doing c

NeX [460]

Answer:

he needs 4,000 fake dollars

Step-by-step explanation:

right now he has enough to buy something for $60 so he needs another 220 fake dollars to have enough for a $68 item

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3 years ago

Read 2 more answers

Evaluate using the order of operations ( 8/9 - 1/3) x 2/3

Korvikt [17]

(8/9-3/9)*2/3=5/9*2/3=10/27

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3 years ago

Read 2 more answers

Please help me with this and I will give one of the answers most brainliest

inna [77]

A)

$A=8\qquad\qquad B=12.5\\\\\\d(A,B)=|12.5-8|=|4.5|=\boxed{4.5\,\text{cm}}$

b)

$C=?\\\\\\d(C,A)=2\cdot d(C,B)\\\\|A-C|=2\cdot|B-C|\\\\|8-C|=2\cdot|12.5-C|\\\\
|8-C|=|25-2C|\\\\\\8-C=25-2C\qquad\vee\qquad8-C=-(25-2C)\\\\-C+2C=25-8\qquad\vee\qquad8-C=-25+2C\\\\C=17\qquad\vee\qquad8+25=2C+C\\\\C=17\qquad\vee\qquad33=3C\quad|:3\\\\\boxed{C=17\qquad\vee\qquad C=11}$

Mark 11 or 17.

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3 years ago