Answer:
See below
Step-by-step explanation:
The score increase was 35 points. They claimed an increase of at least 50 points. For a significance level of 5%, the z-score for the situation needs to be at smaller than -1.645. For a significance level of 1%, the z-score needs to be smaller than -2.325
The z score for our situation: z = (385 - 350)/50 = 0.7
The average score of 385 of Tutor O-Rama scores is not significantly different from the average of the other students SAT scores. The evidence doesn't support their claim of being effective tutoring.
Answer: hello there here is your answer:
17.5 feet
Step-by-step explanation:
Area of rectangle = Length x Width
Length = Area/Width = 122.5 / 7 = 17.5 feet
hope this helps
have a god day bye
Answer:
25
Step-by-step explanation:
Answer:
V≈12.57
or 12.6
Step-by-step explanation:
Okay, first you got to simplify the mixed numbers. Example: 2 and 1/2. I got 5/2, how is this? first multiply 2 * 2 then add 1 from the numerator. sorry if this doesn't make since. You got to do this before you do the actual math.
