Determine the null and alternative hypotheses for the following scenario. A group of students decided to conduct their science fair project around the amount of time average adults can hold their breath. Part of the group found research to suggest that adults can hold their breath for 30.0 seconds when submerged in lukewarm water. The other half of the group found evidence to suggest that the mean time is different if the water temperature is colder. The group would like to test this claim about adults holding their breath in cold water