se the probability distribution to complete parts​ (a) and​ (b) below. Activities    Probability 0    0.057 1    0.121 2    0.164 3    0.178 4    0.214 5    0.129 6    0.083 7    0.054 ​(a) Find the​ mean, vari

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The number of school-related extracurricular activities per student 7 0.059 0.122 0.164 0.178 0.213…

A: Given PMF of X. Now will using this pmf to find required information

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A: Defects012345Probability0.2580.2890.2430.1520.0380.020

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Mean:- ∈X=ΣX.Px       ∈x =0×0.058+1⁎0.122+2⁎0.162+3⁎0.179…

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Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Suppose  be the number of school-related extracurricular activities per student.The probability…

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A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A:

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Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: mean=E(X)=∑X.P(X)

Q: The number of school-related extracurricular activities per student Activities 1 2 3 4 0.059 0.123…

A: Solution: The probability distribution of activities per student is  Activities (x)  Probability…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A:

Q: Use the probability distribution to complete parts​ (a) and​ (b) below.     The number of defects…

A: Given:   X P(x) 0 0.266 1 0.292 2 0.238 3 0.145 4 0.04 5 0.019 total 1

Q: Use the probability distribution to complete parts​ (a) and​ (b) below. Activities    Probability 0…

A: Given: Activities Probability 0 0.061 1 0.124 2 0.166 3  0.167 4  0.203 5 0.119 6…

Q: The histogram shows the reviewer ratings on a scale from 1 (lowest) to 5 (highest) of a recently…

A: The question is about graphs and measures.Given :

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Let "X" be the number of school-related extracurricular activities per student. X P(X) X*P(X) X2…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Mean: The mean is the sum of observations divided by number of observations. that is, Mean = μ =…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

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Q: Use the probability distribution to complete parts​ (a) and​ (b) below.   The number of​…

A: Given observation and calculation is shown below X P(X) XP(X) X2P(X) 0 0.061 0 0…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: 0 0.059 0 0 0 1 0.121 0.121 1 0.121 2 0.162 0.324 4 0.648 3 0.178 0.534 9 1.602 4 0.216…

Q: Use the probability distribution to complete parts​ (a) and​ (b) below.     The number of defects…

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A: XP(X)-20.59750.139110.20780.057

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Formulas  E(X)=∑x×p(x) E(X2)=∑x2×p(x) Variance = E(X2)-(E(X))2 Standard deviations=√Variance

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Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

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