Study the proof given list the reasons for items 2,3, and 4 write the number and then the answer

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is