Robert Bought new carpet for his living room. The store charged a flat rate of $300.00 to remove the old carpet And install the
2 answers:
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Answer:
(a) 84.2
(b) 10.6
Step-by-step explanation:
To solve this questions we can use the standardization formula, where we know that if then
So for
(a) we know that the z score for the 70th percentile is 0.524, so using the normalization equation we have
(b) We can procede as above and get