Question: Using the information in the preceding example ( = $1,000, = $100), convert: (a) The weekly income of $1,225 to a z value. (b)

Using the information in the preceding example (μ = $1,000, σ = $100), convert:

(a) The weekly income of $1,225 to a z value.

(b) The weekly income of $775 to a z value.

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