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1. The number of school-related extracurricular activities per student are shown below: Find the mean, variance, Activities 0 1 2 3 4 5 6 7
1. The number of school-related extracurricular activities per student are shown below: Find the mean, variance, Activities 0 1 2 3 4 5 6 7 Probability 0.059 0.122 0.163 0.178 0.213 0.128 0.084 0.053 and standard deviation of the probability distribution (a) Mean = (b) Variance = (c) Standard deviation =
4. Determine whether the following is a probability distribution and state why or why not x 0 1 2 3 4 5 P(x) 2 3 1 3 1 6 2 6 4 6 5 6
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