3 years ago

Step 3: Displaying numerical data in dot plots, and describing and analyzing

Mathematics

1 answer:

mylen [45]3 years ago

4 0

Answer:

Step-by-step explanation:

i added it all

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890 times 12 equals 10680

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3 years ago

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3 years ago

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In a certain residential suburb, 60% of all households get Internet service from the local cable company, 80% get television ser

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Answer:

a) 0.900

b) 0.400

Step-by-step explanation:

Let I = households getting internet

T = households getting television

Then I = 60%

and T = 80%

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a) Households getting at least one service, $I\cup T = I + T - I\cap T= 60+80-50 =90\%=0.900$

b) Those getting internet only = $I - I\cap T = 60 - 50 = 10\% = 0.1$

Those getting television only = $T - I\cap T = 80- 50=30\%=0.3$

Probability of getting exactly one service = 0.1 + 0.3 = 0.400

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3 years ago