Answer:
Step-by-step explanation:
The heights of young American women, in inches, are approximately Normally distributed with mean μ and standard deviation σ = 2.4. If I want to construct a 99% confidence interval with a margin of error of no more than ± 1 inch, what is the smallest sample I can select?
Answer:
Lets call the dimensions of the rectangle l and w. The new dimentions are 6l and 6w. The area of the first rectangle is lw. The area of the second rectangles is 36lw. 36lw/wl is the answer, and this is 36.
Answer:
Answer. c
Step-by-step explanation:
Answer: Trevor drinks 3 3/4 pints against his coach's 4 pints
Step-by-step explanation:
8 ounces per day x 8 times = 64 ounces = 8 cups = 4 pints
Water bottle holds 1 1/4 pints x 3 = 3 3/4 pints.
Answer:
(x, y) = (8, -3)
Step-by-step explanation:
You can substitute for x in the first equation:
3(-3y -1) +3y = 15
-6y = 18 . . . . . add 3 and simplify
y = -3 . . . . . . . divide by -6
x = -3(-3) -1 = 8 . . . . find x using the second equation
The solution to this system of equations is (x, y) = (8, -3).
