#1
The accounting firm Addupt, Hetotals & Dee-Vide has 300 employees. They are
concerned...
Mathematics, 30.03.2021 04:40 babyari18
#1
The accounting firm Addupt, Hetotals & Dee-Vide has 300 employees. They are
concerned that one of its competitor's mean salary of $45,000 is better than their
average. A random sample of 45 of the firm's accountants has a mean salary of
$43,500 with a standard deviation of $5,200. Is the firm's mean salary lower?
b. Construct a 90% confidence Interval for the firms mean salary.
Answers: 2
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