Suppose that a company knows that its monthly average net profits tend to be normally distriubuted, but knows neither the mean nor the standard deviation of this distribution. Suppose that the company wants to test the hypothesis we to whether the mean of the distribution of these profits is 25, or . What can be said about this hypothesis, given that the company has collected the following data:

Observation	Profit
1	120
2	150
3	-50
4	40
5	-60
6	140
7	120
8	40
9	150
10	-50
11	40
12	-60
13	140
14	120
15	40
16	150
17	-50
18	40
19	-60
20	140

		The null hypothesis can be rejected.
		The null hypothesis cannot be rejected.
		The null hypothesis can be accepted.
		There is not enough information given in the problem.