Find the indicated probability. For a sample of n=64, find the probability of a sample mean being less than 24. 3 when µ=24 and σ=1. 25.

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

What are similarities and differences of reflection, refraction, diffraction and absorption?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects