4. In the past, Ben has been able to hit a baseball at the batting cage 20% of the time. He decides to head back to the batting cage. (a) What is the probability that his first hit will be on the eighth pitch? (b) What is the probability that his first hit will not be within the first nine pitches?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which expression is equivalent to the expression shown?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost