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Homework 8
Homework 8
1. Find the missing value required to create a probability distribution. Round to the nearest hundredth.
x / P(x)
0 / 0.04
1 / 0.19
2 / 0.02
3 /
4 / 0.09
2. Find the missing value required to create a probability distribution, then find the mean for the given probability distribution. Round to the nearest hundredth.
x / P(x)
0 / 0.07
1 / 0.16
2 / 0.09
3 /
4 / 0.2
3. Find the missing value required to create a probability distribution, then find the standard deviation for the given probability distribution. Round to the nearest hundredth.
x / P(x) 0 / 0.14 1 / 2 / 0.18 3 / 0 4 / 0.09
4. A contractor is considering a project that promises a profit of $10,292 with a probability of 0.68. The contractor would lose (due to bad weather, strikes, and such) of $5,862 if the project fails. What is the expected profit? Round to the nearest cent.