Groups of adults are randomly selected and arranged in groups of three. The random variable x is

Question:

Groups of adults are randomly selected and arranged in groups of three. The random variable x is the number in the group who say that they would feel comfortable in a self-driving vehicle (based on a TE Connectivity survey).
x P(x)
0........................0.358
1........................0.439
2........................0.179
3........................0.024
Determine whether a probability is given. If a probability is given, find its mean and standard deviation. If a probability is not given, identify the requirements that are not satisfied.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...