Answer:145
Step-by-step explanation:the answer is 145
Answer: B
Step-by-step explanation:
Grade must be greater than or equal to 88
Answer:
A Type I error would occur if there was no evidence of an improvement on the national exam but there really was improvement.
Step-by-step explanation:
A type 1 error simply occurs when we incorrectly reject a true null hypothesis. In the scenario above, An experiment was conducted in other it know if there is sufficient evidence to support a claim that a new teaching method developed improves students score. If this claim is actually true in the real sense. However, after conducting a statistical test, we conuded that there was no sufficient evidence to support her claim of improvement using the new method, hence, the claim was rejected. By rejecting the claim, a true null has been rejected. Hence, a type 1 error has been committed.
Answer:
<h2>11 units</h2>
Step-by-step explanation:
Method 1:
The formula of a distance between two points:

We have the points (7, 2) and (-4, 2). Substitute:

Method 2:
Look at the picture. Mark points in the coordinate system.
Read the length of the segment.
Answer: c I believe
Step-by-step explanation: