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4 years ago

What is the lower quartile

Mathematics

1 answer:

Anna71 [15]4 years ago

3 0

The part where the median splits the data set in half.

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What is (4x + 2) - (2x + 1)?

daser333 [38]

2x + 1

You can find that by switching the signs in the second set of parenthesis and then adding.

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3 years ago

Solve the following eqation: 4m - 12 = 0

OLEGan [10]

Answer:

m=3

Step-by-step explanation:

Move the 12 over to the other side so it will be 4m=12, then divide each side by 4 to get m=3

8 0

3 years ago

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Samples of skin experiencing desquamation are analyzed for both moisture and melanin content. The results from 100 skin samples

zheka24 [161]

Answer: a. 0.40 b. 0.23 c . 0.435 d . 0.25

Step-by-step explanation:

melanin content Total

high low

moisture high 13 10 23

content low 47 30 77

Total 60 40 <u> </u><u>100</u>

Let A denote the event that a sample has low melanin content, and let B denote the event that a sample has high moisture content.

a) Total skin samples has low melanin content = 10+30=40

P(A)= $\dfrac{40}{100}=0.40$

b) Total skin samples has high moisture content = 13+10=23

P(B) = $\dfrac{23}{100}=0.23$

c) A ∩ B = Total skin samples has both low melanin content and high moisture content =10

P(A ∩ B) = $\dfrac{10}{100}=0.10$

Using conditional probability formula , $P (A|B)=\dfrac{P(A\cap B)}{P(B)}$

$P (A|B)=\dfrac{0.10}{0.23}=0.434782608696\approx0.435$

d) $P (B|A)=\dfrac{P(A\cap B)}{P(A)}$

$P (B|A)=\dfrac{0.10}{0.40}=0.25$

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4 years ago

What would the extrema be for z = f(x,y) = (y^2)-(x^2)?

lubasha [3.4K]

Answer:

sorry I didn't knew it was calculus.

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3 years ago

The Prefix milli and micro respectively mean?

Artyom0805 [142]

Answer:b and c

Step-by-step explanation:

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4 years ago

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