Answer:
D) We are 95 percent confident that the mean difference in scores for all children in the program is between 20.1 points and 23.9 points.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
95 percent confidence interval (20.1,23.9)
We are 95% sure that the population mean(that is, the mean for all children in the program) is in this interval. So the correct answer is given by option D.
Answer:
6.36 m
Step-by-step explanation:
The length of the tree's shadow is 7 m + 1.8 m = 8.8 m. Tanya's height is 1.3/1.8 times the length of her shadow. The tree height is, likewise, 1.3/1.8 times the length of its shadow, so is ...
tree height = (1.3/1.8)×(8.8 m) ≈ 6.36 m
The tree is about 6.36 m tall.
Any value of n makes this equation true.
Answer:
0.3
Step-by-step explanation:
Answer:
the answer is D
Step-by-step explanation:
the answer is 14 or D
brainly would be epic