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erastovalidia [21]

2 years ago

8

It costs 3$ to bowl a game and 2$ for shoe rental. Complete the table for the cost of 5 games. Write an expression for cost of g

games.

2 answers:

irina1246 [14]2 years ago

7 0

Answer:

I think it is 25

Step-by-step explanation: but on the low could be 5 but mostly likely 25

Lera25 [3.4K]2 years ago

4 0

Answer: 5$ in all

Step-by-step explanation:

I added 3 + 2 dollars in all

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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:

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

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

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

$P(x=3) = 0.003588$

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2 years ago

-6-7(c+10)<br><br> A. 64-7c<br> B. -76-7C<br> C. 4-13C<br> D. -16-13c<br><br> Help?

Maurinko [17]

Answer:

B. -76-7C

Step-by-step explanation:

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Distribute the 7

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Angelina_Jolie [31]

Es compuesto
dame una gracias sin esto te ayudo!

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