Question: How did we get 1.96 from the z table e-g. what is the Sample size needed when margin ay error to be I given that

How did we get 1.96 from the z table e-g. what

How did we get 1.96 from the z table

e-g. what is the Sample size needed when margin ay error to be I given that st. deviation = 35 of d = 57. = 2.5 - 7 = 1. 96 2 n = ( 1 . 96 ) ( 35 ) 188.2384 2 189 5 =

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2. Find out if there are other reference points that can be used as reasonable alternatives.

1. Identify your reference point when making a decision based on an element of risk.

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.