# Question: Show that if x is used as a point estimate

Show that if x is used as a point estimate of µ and s is known, the probability is 1 – α that | – µ|, the absolute value of our error, will not exceed a specified amount e when

(If it turns out that n < 30, this formula cannot be used unless it is reasonable to assume that we are sampling a normal population.)

(If it turns out that n < 30, this formula cannot be used unless it is reasonable to assume that we are sampling a normal population.)

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