Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 6 7 0 Probability 0.058 0.122 0.162 0.179 0.214 0.126 0.084 0.055 3 4 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.)

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Use the probability distribution to complete parts (a) and (b) below.
The number of school-related extracurricular activities per student
Activities
1
2.
3
4.
6.
7.
Probability 0.058 0.122 0.162 0.179 0.214 0.126 0.084 0.055
(a) Find the mean, variance, and standard deviation of the probability distribution.
The mean is .
(Round to one decimal place as needed.)
Transcribed Image Text:Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 1 2. 3 4. 6. 7. Probability 0.058 0.122 0.162 0.179 0.214 0.126 0.084 0.055 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is . (Round to one decimal place as needed.)
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