2 years ago

Please help me the photo is up above

Mathematics

1 answer:

wolverine [178]2 years ago

5 0

Answer:

The Correct Symplified ratio is 1:2

Step-by-step explanation:

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g At a certain gas station, 30% of all customers use the restroom. What is the probability that, out of the next 10 customers, (

Kruka [31]

Answer:

$P(x=4) = 0.200$

Step-by-step explanation:

Given

$n=10$ --- selected customers

$x = 4$ --- those that are expected to use the restroom

$p =30\% = 0.30$ --- proportion that uses the restroom

Required

$P(x = 4)$

The question illustrates binomial probability and the formula is:

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

So, we have:

$P(x=4) = ^{10}C_4 * (0.30)^4 * (1 - 0.30)^{10 - 4}$

$P(x=4) = ^{10}C_4 * (0.30)^4 * (0.70)^6$

$P(x=4) = 210* (0.30)^4 * (0.70)^6$

$P(x=4) = 0.200$

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3 years ago

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I think the answer is (6,-4)

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3 years ago

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Since, the co-interior angles(55° and 125°) are supplementary(sum is 180), therefore the lines are parallel.

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Mr. Yu applies 12 ounce of fertilizer to every 58 square meter of his lawn.How many ounces of fertilizer does Mr. Yu use per squ

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1/2 divided by 5/8
Keep Change Flip=

1/2 x 8/5= 0.8
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Answer: 4/5

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