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3 years ago

Can someone help me please :)

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

8 0

Answer:

1/12

Step-by-step explanation:

Because if you just did one dice it would be 1/6 but if two dice then it would be 1/12. I hope I am correct.

tankabanditka [31]3 years ago

7 0

1/12. because of the numbers on the dice you should have a probability of 1/12.

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Answer:

A) Enterprise: E(x) = 50 +0.25x; Hertz: H(x) = 30 +0.45x

B) see attached graph

Step-by-step explanation:

A) We choose to compare Hertz (lowest daily charge) and Enterprise (lowest mileage charge). In each case, the total charge will be the sum of the daily charge and the product of the mileage charge and number of miles (x).

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4 years ago

In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are good (G). A quality control

lianna [129]

Answer:

The sample space for selecting the group to test contains 2,300 elementary events.

Step-by-step explanation:

There are a total of N = 25 aluminum castings.

Of these 25 aluminum castings, n₁ = 4 castings are defective (D) and n₂ = 21 are good (G).

It is provided that a quality control inspector randomly selects three of the twenty-five castings without replacement to test.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

${n\choose k}=\frac{n!}{k!(n-k)!}$

Compute the number of samples that are possible as follows:

${25\choose 3}=\frac{25!}{3!\times (25-3)!}$

$=\frac{25\times 24\times 23\times 22!}{3!\times 22!}\\\\=\frac{25\times 24\times 23}{3\times 2\times 1}\\\\=2300$

The sample space for selecting the group to test contains 2,300 elementary events.

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3 years ago

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3 years ago

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Tamiku [17]

Answer:

y=4

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Step-by-step explanation:

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