Answer:
The statistical power of a hypothesis test is the probability of detecting an effect, if there is a true effect present to detect. Power can be calculated and reported for a completed experiment to comment on the confidence one might have in the conclusions drawn from the results of the study.
I hope it's helpful!
Answer:
V(x) = (x +4)(x +2)(2x +11)
Step-by-step explanation:
For length L = (x+4), the height is ...
2L +3 = 2(x+4) +3
= 2x +8 +3
= 2x +11
The volume is the product of length, width, and height, so is ...
V = (x +4)(x +2)(2x +11)
Answer:
Guo Qi requires 75 days to watch videos on Khan Academy.
Step-by-step explanation:
We are given the following in the question:
Number of videos watched by Guo Qi each day = 15
Average length of each video = 8 minutes
Total minutes of video = 9000 minutes
Total number of videos to be watched =

Guo Qi needs to watch 1125 videos.
Number of days required =

Guo Qi requires 75 days to watch videos on Khan Academy.
Answer:
Markup: $9 ; Selling Price: $24
Step-by-step explanation:
The store makes a profit of $15, to find the mark up of 60%, multiply 15 x 60%.
15 x 0.6 = 9
Add the markup price to the original price.
9 + 15 = $24
The selling price is $24