Step-by-step explanation: A Null Hypothesis is a hypothesis used in statistics to show that there is no variation among the variables of interest. A Null Hypothesis also can be said to be giving a proposal that there is not significant difference between the observed data.
An alternative hypothesis is a hypothesis in statistics given contrary to the Null Hypothesis,a Null hypothesis can also be seen in statistics as stating that something is happening among the data.
The answer is 48. i got this answer by doing 2x6 and i got 12. uri and his family eat 12 slices a day, so you do 12x4 because it asks how many they eat in 4 days. hope this helped!