For a population with µ = 50 and o = 10, what is the X value corresponding to z = 0.4? 50.4 O 10 O 54 O 10.4

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A: Given,Mean(μ)=30standard deviation(σ)=8and Z-score=0.25

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A: given,        y=x44+2x2

Q: If x̅=0.25, μ=0, s=2.5 and n=8, then t=? a. 0.283 b. 0.45 c. 0.62 d. 0.85

A: We know that the formula of t is:

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A: Solution: 1. From the given information, z=–1.23, µ=82 and σ=4.

Q: If SS,=234 and n = 20 then the value of estimated o? is

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Q: what is the ss(x) and the ss(y)   IQ           GPA 117           3.9 93             2.7 102…

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Q: For a population, N = 20,000, μ = 125, and σ = 25. Find to 2 decimal places the z value for for n =…

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Q: For a population. N = 17, 000 and p = 0.11 Find the z value for hat p =0.26 for n = 60.

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Q: tion with u = 80 and o = 10, -score for each of the following X values. u should be able to find…

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A: assume µ = 100, σ = 15.    What percentage of people have an IQ between 80 and 120?