Abag has 3 orange markers, 3 blue markers, and 2 red markers. you randomly choose one marker and then replace it. you then choose a second marker. what is the probability that you selected the orange marker and then the red marker?

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

How many grams the dog will eat in 3 days?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?