Stat crunch in a random sample of 200 adults, what is the probability that less than 33 % have no credit cards?

The answer is 50adults

to answer this question, u can use:

is over of equals to percent over hundred.

so,

is %

__ = ___

of 100

so "is" is unknown which is going to be replaced by n

and of is 200

% is 30

and 100 is 100

so,

n 30%

___ = ___

200 100

so solve this u do cross simplify.

200x30 = 100n

5000 = 100n

n=50

so the answer is 50 adults