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stepan [7]
2 years ago
12

This is a simple probem

Mathematics
1 answer:
KengaRu [80]2 years ago
7 0

Answer:

31

Step-by-step explanation:

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34 petri dishes are prepared with a growth medium. 16 are randomly selected and treated with antibiotic A. The other 18 are trea
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Answer:

(a) According to the central limit theorem, the distributions of the sample means of sufficiently large samples randomly selected from a population with mean, μ and standard deviation, σ with replacement will be normally distributed

Therefore, given that the size of the population from which the samples were selected (34 petri dishes) is comparable the sizes of the samples, (16 and 18), therefore, the samples are approximately normal

Also given that the petri dishes were prepared with growth medium designed to increase the growth of microorganisms, with an expected amount of growth, the samples therefore came from approximately normal distributions

Step-by-step explanation:

8 0
2 years ago
Two friends want to share 3 apples so that they each get the same amount how much should each friend get
tatiyna
All you have to do is divide 3 by 2 which is 1.5 so each friend will receive 1 and a half apples
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3 years ago
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The radius of a circle is (7n-21) inches find circumference of the circle in terms of n.
hodyreva [135]

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(14n - 42)*pi

Step-by-step explanation:

Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi

4 0
3 years ago
I need to find the standard form of this equation:<br> 4y^2+40y+3x+103=0
ExtremeBDS [4]
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The standard form would be

“4y^2+40y= -3x-103”


6 0
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the answer is C
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