Consider the pth percentile of a continuous random variable. Which of the following statements are always true? Select all that apply. The area under the curve to the left of the pth percentile is equal to (1-p). The area under the curve to the right of the pth percentile is equal to p. The area under the curve to the left of the pth percentile is equal to p. The area under the curve to the right of the ph percentile is equal to (1-p). The pth percentile is positive.