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kvasek [131]
2 years ago
5

Please help me with these questions????​

Mathematics
1 answer:
Softa [21]2 years ago
3 0
5: THEO = what should happen
EXP = Wha actually happens.

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A website that sells movie tickets can tell what devices are used to access their site and make purchases. The manager of the we
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Answer:

The best estimate for the proportion of ticket buyers that make purchases using their smart phones is 0.45.

Step-by-step explanation:

We take the estimate from the website, and expand for all buyers, to find the proportion that use their smartphones.

400 users of the website were randomly sampled from the existing database and 180 were found to have used their smart phones.

180/400 = 0.45

The best estimate for the proportion of ticket buyers that make purchases using their smart phones is 0.45.

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240 halves is equal to 120 wholes
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The key rule is: to round up the number one digit to the left has to be the number 5 or more, else it rounds down.

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1.218 rounds down because 2 is less than 5.

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If c= 2m + d ,Wich equation represents m​
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