Mathematics, 07.03.2020 03:07 dondre54
A case of wine has 12 bottles, three of which contain spoiled wine. A sample of four bottles is randomly selected from the case.1. Find the probability distribution for X, the number of bottles of spoiled wine in the sample. 2. What are the mean and variance of X
Answers: 2
Mathematics, 21.06.2019 17:30
Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.
Answers: 2
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
A case of wine has 12 bottles, three of which contain spoiled wine. A sample of four bottles is rand...
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