Which statement is a counterexample for the following statement? If Carl studies at least two hours for the test, then Carl will pass. a Carl studied one hour for the test and Carl did not pass. b Carl studied only 30 minutes and Carl passed the test. c Carl studied 3 hours for the test and Carl did not pass. d Carl studied for 2 hours and passed the test.

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

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse