Helena was in charge of the prize booth at the fair. She had the following prizes to give away: Jackets Jerseys
Basketball team 6 10
Baseball team 12 8

What is the probability that a randomly chosen prize will be a jersey prize OR a prize from a baseball team?
Ο Α. 4/9
O B. 1/2
O C. 19/18
o D. 5/6

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

Write an expression that shows 3 more than 5 times a number

The half-life of iodine-131 is approximately 8 days. find the amount of iodine-131 left from a 42 gram sample after 16 days. a: 10.5 grams b: 21 grams c: 0.0006 grams d: 34 grams