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ahrayia [7]
3 years ago
11

A number cube with the numbers 1 through 6 is rolled. What is the probability of the number cube showing a 3 or a multiple of 3?

Mathematics
1 answer:
VLD [36.1K]3 years ago
4 0
Total number of possible outcomes = 6

Total number of outcomes with 3 or multiple of 3 = 2
They are 3 and 6

P(3 or multiple of 3) = 2/6 = 1/3

Answer : 1/3
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The useful life of a radial tire is normally distributed with a mean of 30,000 miles and a standard deviation of 5000 miles. The
otez555 [7]

Answer:

  empirical rule: 81.5%

  table or calculator: 81.9%

Step-by-step explanation:

The lower limit of the life range of interest has a z-score of ...

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The upper limit has a z-score of ...

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<u>Empirical rule solution</u>

The empirical rule tells you that 95% of the distribution lies within 2 standard deviations of the mean, so (100% -95%)/2 = 2.5% lie below z = -2. It also tells you 68% lie within 1 standard deviation of the mean, so (100% -68%)/2 = 16% lie above z = 1.

The fraction that lies within -2 to 1 standard deviations of the means is thus ...

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The probability the tire has a life in the desired range is about 81.5%.

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<u>Calculator solution</u>

A probability calculator for the Normal distribution tells you that ...

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The probability the tire has a life in the desired range is about 81.9%.

6 0
3 years ago
Whats the domain and range of the relation
hodyreva [135]

Answer:

See below in bold.

Step-by-step explanation:

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Reading from the graph: The domain is {-3.5, -2, 0, 3.5}.

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n200080 [17]

Answer:

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Step-by-step explanation:

according to the question

(4.5)³

20³

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8000

3 0
3 years ago
Read 2 more answers
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