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groups of adults are randomly selcted and arranged in groups of 3. the random variable of...

groups of adults are randomly selcted and arranged in groups of 3. the random variable of x is the number in the group who say they would feel comforable in self driving vehicles. determine whether probabilty disturbution is given. if is find mean and standard deviation.
x px
0 0.358
1 0.442
2. 0.178
3. 0.022
0 0
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Answer #1

Therefore mean = 0.864

Standard deviation = 0.6055 = 0.7781

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