What is the value of the t score for a 99% confidence interval if we take a sample of size 20?
1 answer:
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<u>The surface area of the region he will paint is 900 sq.ft.</u>
<u>Step-by-step explanation:</u>
Cubical room measures - 15 ft
Chaz want to paint only the walls of room
Surface of painting region means Lateral surface area (excluding top and bottom)
Lateral surface area of cube =
⇒ 4 * 15 *15
⇒ 900 sq.ft
<u> The surface area of the region he will paint is 900 sq.ft.</u>
Direct variation is when is the same for each coordinate.
Indirect variation is when x · y is the same for each coordinate.
11. Answer: Direct Variation
<u>Step-by-step explanation:</u>
12. Answer: Indirect Variation
<u>Step-by-step explanation:</u>