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Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.47.
The table on the right describes the probability of having x number of girls. Determine whether the table describes a probability distribution. If it? does, find the mean and standard deviation. Is it unusual for a family of three children to consist of three? girls?x?P(x) THIS IS THE TABLE BELOW
0 0.149
1 0.396
2 0.351
3 0.104
Find the mean of the random variable.
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Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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