X=6 is the answer to this equation
1.29
One assignment a day and a little bit on another
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.
