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hammer [34]
3 years ago
5

The average cost per car crash in Thousand Oaks was $1,599 in 2014. Suppose this average cost was based on a sample of 50 person

s who had been involved in car crashes and that the population standard deviation was $600. Calculate the margin of error for a 92% confidence interval.
Mathematics
1 answer:
artcher [175]3 years ago
5 0
Ok so djdmdjdjfndjdjdjdjdmdd dmdmdd
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jeka94

Answer:

0.2 or 20%

Step-by-step explanation:

If the times of arrival vary uniformly, there is an equal chance of an employee reporting at any given time between 8:40 and 9:30.

The range between 8:40 and 9:30 is 50 minutes.

The range between 9:00 and 9:10 is 10 minutes.

Therefore, the  probability that a randomly chosen employee reports to work between 9:00 and 9:10 is:

P(9:00\leq X\leq 9:10)=\frac{10}{50}=0.20=20\%

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2 years ago
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2

Step-by-step explanation:

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3 years ago
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8x - (5x + 4) ≥ -31

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Because that drawing represents the number that are less or equel than -9 and the answer is the numbers greater or equal than -9.
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The couch should be priced at 163.85

Step-by-step explanation:

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