At a departmental store 40% of the people who shop uses a credit card. If
6 people walk into the store, what is
the probability that half of them will be
using a credit card?

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

$79500

step-by-step explanation:

idk

step-by-step explanation: