Mathematics, 03.04.2020 18:07 oreo543
An activity has a pessimistic time that is four times as long as its most likely time and six times as long as its optimistic time. If the activity variance is 12, what is the expected time?
A) About 8 days
B) About 9 days
C) About 10 days
D) About 11 days
Answers: 2
Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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Mathematics, 21.06.2019 21:50
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next
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An activity has a pessimistic time that is four times as long as its most likely time and six times...
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