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kari74 [83]
3 years ago
12

There are 10 yellow, 6 green, 9 orange, and 5 res cards in a stack of cards turned face down. once a card is selected, it is not

replaced. determine each probability.
p(2 yellow cards)​

Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

10+6+9+5= 40

So there are

\frac{10}{40} are yellow cards \frac{6}{40} are green cards \frac{9}{40} are orange cards \frac{5}{40} red cards

now we have to get the percentages

\frac{10}{40} = \frac{25}{100}

\frac{6}{40} =  \frac{15}{100}

\frac{9}{40} =  \frac{22.5}{100}

\frac{5}{40} =  \frac{12.5}{100}

so the probability of getting...

<u>yellow is 25%</u>

<u>green is 15%</u>

<u>orange is 22.5%</u>

<u>red is 12.5%</u>

<u />

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Find an equation in slope intercept form of a line having slope 6 and y-intercept 2
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Answer:

<h2>y = 6x + 2</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

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<em>b</em><em> - y-intercept</em>

<em />

We have the slope <em>m = 6</em>, and the y-intercept <em>b = 2</em>.

Substitute:

y=6x+2

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Write the equation in​ slope-intercept form. Then find the slope and​ y-intercept of the line.
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The children in my subdivision were bored one summer and decided to hold a competition to see who could run to the end of the st
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Answer:

6.7% of children who finished the race in under 45 seconds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 75 seconds

Standard Deviation, σ =  20 seconds

We are given that the distribution of time of completion is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

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