Question

MEDAL GIVEN
A survey was done at a mall in which 1000 customers were asked what type of credit card they used most often. The results of the survey are shown in the figure below:

GRAPH SHOWN IN ATTACHMENT

Determine the empirical probability that a person selected at random from the 1000 surveyed uses
Mastercard

Answer 1

any idea?

Answer 2

37.8/100

Answer 3

to put it another number

Answer 4

or 0.378 as a decimal

Answer 5

yes, but i thought it order to figure out the emprical probablity

Answer 6

you have to divide by the number of customers?

Answer 7

in order*

Answer 8

in this "graph" they already changed the number into a probability.
in other words, 378 used mastercard
and if we divide by the total number of people 1000, we get 0.378
which can be written as a percent: 0.378 is 37.8%

The probability could be written lots of ways:
\[ \frac{378}{1000} = \frac{37.8}{100} = 0.378 \]
or even
\[ \frac{189}{500} \]

Answer 9

or 37.8%

Answer 10

oh okay i understand

Answer 11

can i post another for you