You and a friend decide to play Pick 3, but with two different strategies. Your friend buys a $1 Pick 3 ticket on each of five consecutive days. You bet $5 on a single number on your Pick 3 ticket. Find the mean and standard deviation of the combined winnings for you and your friend.

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

What is the sum of the first 8 terms of the geometric series