What could be the possible values of the random variable below? Frequency of absences of a student for 20 class meetings Or = 0, 1, 2, ..., 20 O 0

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A: Given Mean(x)=41standard deviation(σ)=4sample size(n)=20

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A: Clear explanation

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Q: What is the probability of a homeless having a score above 25? Trauma scores among population of hom...

A: We have given that.   X~N( μ , ?^2 )   μ =26.8 , ? =7.4   Z-score =( x - μ )/?

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A: According to our guidelines, we can answer only the first question. So, please repost the rest quest...

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A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a...

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Q: Compute Pearson's r wth the computational formula and use 4 decimal places for all computations. st...

A: We have given that data  I want to find Pearson's (r) r= SSXY/sqrt(SSXY × SSYY)

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Q: 3.53 The following data represent the total points scored in each of the NFL championship games play...

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A: We have given that  Probability mass function.  E(x)= ∑x×p(x)E(x2)=∑x2×p(x)Var(x)=E(x2) - [E(x)]2

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A: Given  μ=mean=196,σ=standard deviation=20,  P(X<160.7)=?   

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of ...

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A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: 19. The test statistic of z = 2.01 is obtained when testing the claim that p # 0.345.

A: