Unfortunately, Fred had some trouble in the kitchen, and 5/3 of the oatmeal raisin cookies were burned. how many oatmeal raisin cookies does Fred have left to sell? Explain how you solved this problem using numbers and words.

Adevelopmental psychologist has prepared a training program that according to a psychological theory should improve problem solving ability. for the population of six-year olds, the average score on a standardized problem-solving test is known to be μ = 80 with σ = 10. to test the effectiveness of the training program, a random sample of 18 six-year-old children were selected. after training, the average score for this sample is m = 84.44. the experimenter used an alpha level of .05.perform the hypothesis test for this experiment.