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2 years ago

8

10(-0.4x + 3y) = ?x + ?y 10(? + ?) = ? + ? ?=?

1 answer:

UNO [17]2 years ago

3 0

Answer:

2x(57x74)94

Step-by-step explanation:

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140 is what percent of 500?

MAXImum [283]

Answer:

28%

Step-by-step explanation:

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3 years ago

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2 years ago

The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.' a) What

Tcecarenko [31]

Answer:

$Mean = 0.36$

$SD = 0.5817$

$P(x=3) = 0.003588$

Step-by-step explanation:

Given

Let

A = Event of being a universal donor.

So:

$P(A) = 0.06$

$n = 6$

Solving (a): Mean and Standard deviation.

The mean is:

$Mean = np$

$Mean = 6 * 0.06$

$Mean = 0.36$

The standard deviation is:

$SD = \sqrt{np(1-p)}$

$SD = \sqrt{6*0.06*(1-0.06)}$

$SD = \sqrt{0.3384}$

$SD = 0.5817$

Solving (b): P(x = 3)

The event is a binomial event an dthe probability is calculated as:

$P(x) = ^nC_x * p^x * (1-p)^{n-x}$

So, we have:

$P(x=3) = ^6C_3 * 0.06^3 * (1-0.06)^{6-3}$

$P(x=3) = ^6C_3 * 0.06^3 * (1-0.06)^3$

$P(x=3) = 20 * 0.06^3 * (1-0.06)^3$

$P(x=3) = 0.003588$

7 0

2 years ago

Can u show 4 divided 4 with a rectangle

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I just showed you 5556666666

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3 years ago

Which property is used in the following?

svet-max [94.6K]

Answer:

Undefined (They are not equal)

Step-by-step explanation:

None

5 0

2 years ago