jaylenmiller437
01.07.2020 •
Mathematics
The owner of an auto repair shop studied the waiting times for customers who arrive at the shop for an oil change. The following data with waiting times in minutes were collected over 1-month.
2; 5; 10; 12; 4; 4; 5; 17; 11; 8; 9; 8; 12; 21; 6; 8; 7; 13; 18; 3
Using classes of 0-4, 5-9, and so on, construct:
a. The 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.
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Ответ:
(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.
Ответ:
2c
Step-by-step explanation:
c is a common factor of both terms
Consider the factors of the coefficients 4 and 18
factors of 4 : 1, 2, 4
factors of 18 : 1, 2, 3, 6, 9, 18
The common factors are 1, 2
The greatest common factor is 2
Combining with c gives
Greatest common factor of 2c