Full question attached
Answer:
D. With 99% confidence, it can be said that the population mean driving distance to work (in miles) is between the interval's endpoints
Step-by-step explanation:
The new confidence interval is narrower than the confidence interval for the t-distribution and the center is 21.7
please note that the options chosen are different for the attachment and the question here but are same answer
Answer:
Step-by-step explanation:
1 miles i had the same question already
X is equal to 4
Because RS + ST=RT
So basically x+3x=5x-4
4x=5x-4
-4x -4x
-1x=-4
x=4
Answer: d) 12 ft
Step-by-step explanation:
Let x be the width of the room , the the length of the room will be 2x.
We consider the shape of room is rectangle.
We know that the area of rectangle is given by :-
, where l is length and w is width.
Given : Area of the room is 288 square feet
Since, width cannot be negative, so the width of the room = 12 feet.