Question

1. Mean of X
2. Variance of X
3. Probability of X being less than its mean
4. Probability of X being less than μ + σ
5. Standard deviation of Z
6. Probability that a z-score based on X is less than 1 in magnitude
7. Proportion of a normal distribution that is more than 20 σ from m
8. Difference between value of P(Z < – x) and value of P(Z > x)
9. Distribution of the random variable μ +σZ
10. Probability that Z > 1.96 plus the probability that Z < –1.96
(a) 1 / 2
(b) P(Z < 1)
(c) 0.05
(d) 2/3
(e) 1 / (1 googol)
(f) m
(g) σ2
(h) 1
(i) 0
(j) N(μ, s σ2)


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  • CreatedJuly 14, 2015
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