Answer:
part A: 130 stamps
Step-by-step explanation:
lemme look at ur comment rq cause i cant see it while doing my answer ;H;
B. Domain: [-3, 0]; Range: [- 2, 2]
domain is the x axis, range is the y axis
Answer:
Since the null hypothesis is true, finding the significance is a type I error.
The probability of the year I error = level of significance = 0.05.
so, the number of tests that will be incorrectly found significant is computed as follow: 0.05 * 100 = 5
Therefore, 5 tests will be incorrectly found significant given that the null hypothesis is true.