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Lubov Fominskaja [6]
3 years ago
14

Drive from Boston to Washington for a total of 460 miles if he leaves at 7:30 am drive at 60 mph. When will he arrive

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

It will take 7.666666667 hours ( or so ) to travel from Boston to Washington, so if he leaves at 7:30 he will arrive at ( not including the decimal ) 2:30 pm.

Hope this helps, if not, comment below please!!!

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n a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information o
yaroslaw [1]

Answer:

3.93% probability that both say service is poor

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The customers are chosen without replacement, and the order in which they are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

What is the probability that both say service is poor?

Desired outcomes:

Two saying it is poor, from a set of 66. So

D = C_{66,2} = \frac{66!}{2!(66-2)!} = 2145

Total outcomes:

Two customers from a set of 331. So

T = C_{331,2} = \frac{331!}{2!(331-2)!} = 54615

Probability:

p = \frac{D}{T} = \frac{2145}{54615} = 0.0393

3.93% probability that both say service is poor

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3 years ago
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Svetradugi [14.3K]

Answer:

The relationship between stars and total stripes are 50 : 13.

Step-by-step explanation:

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Answer:

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Answer:

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Step-by-step explanation:

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