Explain about normal table number you will get, please

Suppose that one in six smartphone users have fallen prey to cyberattack. We use a sample of180 smartphone users. a-2. Is it appropriate to use the normal distribution approximation for the sample proportion? Yes, because npz 5 and n(1- p) 2 5 0 Yes, because n 2 30 O No, because npz 5 and n(1- p) 2 5 O No, because n