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10 questions from this quiz
μ=0\mu = 0μ=0 and σ=1\sigma = 1σ=1
At x=μ−σx = \mu - \sigmax=μ−σ and x=μ+σx = \mu + \sigmax=μ+σ
1
They all coincide at x=μx = \mux=μ
z=1.5z = 1.5z=1.5
x=60x = 60x=60
Approximately 95%
Approximately 68%
Q1=μ−0.67σQ_1 = \mu - 0.67\sigmaQ1=μ−0.67σ
μ−2.70σ\mu - 2.70\sigmaμ−2.70σ to μ+2.70σ\mu + 2.70\sigmaμ+2.70σ
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