A normal distribution has a mean of 78 and a standard deviation of 5. Estimate the fraction of scores in the interval indicated. (Round your answer to four decimal places.)

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16