For which sample size (n) and sample proportion (P) can a normal curve be used to approximate the sampling distribution?

Rewrite the following without an exponent. (5/8)-1

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The total number of dental clinics total for the last 12 months was recorded