Answer:
(d)0.6
Step-by-step explanation:
(a)Frequency Distribution

(b)The relative frequency distribution.

(c)The cumulative frequency distribution.

(d)The proportion of customers needing an oil change who wait 9 minutes or less.
Proportion of customers needing an oil change who wait 9 minutes or less.

Answer:
$0.81
Step-by-step explanation:
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I hope I have helped you
Answer:
4,500 x 5 = 22,500
4,500 divided by 5 = 900
4,500 plus 5 = 4,505
4,500 minus 5 = 4,495
Step-by-step explanation:
it is either one of those that u have to choose from good luck