3. P(z<zc)=0.95. Find ze (a) 1.28 (b) 1.645 (c) 1.96 (d) -1.645

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

Result P(-1.96 <2<1.96 ) = 0.95 Explanation Step 1: Sketch the curve. The probability that -1.96 < < < 1.96 is equal to the b P(|z| < Zc)=0.95

=p(-zc < z < zc) =0.95

p(-1.96< Z < 1.96) =0.95

Answer 2

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