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klasskru [66]
3 years ago
11

Professor henry knows from past experience that 30% of all homework papers handed in will be missing the name of the person who

handed it in. In a class of 200, that is a problem. What is the probability that out of 200 homework papers,
a) between 50 and 70 papers will be missing the name
b) at least 75 papers will be missing the name
c) at most 45 papers will be missing the name
d) exactly 65 papers will be missing the name
Mathematics
1 answer:
Savatey [412]3 years ago
4 0
If you would like to know how many papers will be missing the name, you can calculate this using the following steps:

30% of 200 homework papers = 30% * 200 = 30/100 * 200 = 60 homework papers

The correct result would be a) between 50 and 70 papers will be missing the name.
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