The cost of admission to a history museum is $3.25 per person over the age of 3; kids 3 under get in for free. If the total cost of admission for the warrick family, including their two 6-month old twins, is $19.50 find how many family members are over 3 years old

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

41/17 as a decimal rounded to the nearest hundredth