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Nezavi [6.7K]
3 years ago
11

George's page contains twice as many typed words as Bill's page and Bill's page contains 50 fewer words than Charlie's page. If

each person can type 60 words per minute, after one minute, the difference between twice the number of words on Bill's page and the number of words on Charlie's page is 210. How many words did Bill's page contain initially?
Bill's page initially contained ___ words.
Mathematics
1 answer:
seropon [69]3 years ago
6 0
The answer to this question is:

Bill's page initially contained 260 words.
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Answer:

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Step-by-step explanation:

We have been given that

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For x_1=20

z_1=\frac{20-25}{4}\\\\z_1=-1.25

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z_2=\frac{30-25}{4}\\\\z_2=1.25

Now, we find the corresponding probability from the standard z score table.

For the z score -1.25, we have the probability 0.1056

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