I don’t understand on what your asking
Answer: Here's some basic steps that helped me:
Step 1: Learn the PSAT Format.
Step 2: Set a PSAT (or SAT) Goal Score.
Step 3: Take PSAT Practice Tests.
Step 4: Analyze Your Mistakes.
Step 5: Use SAT Questions & Tests for Extra Practice.
Gl w/ studying in 1 day tho haha thats rough bit i wish all the best! Hope this helped :)
Explanation:
<h3><em>Quartzite is made of the mineral quartz – a hard resistant mineral. Additionally, when the parent material (quartz-rich sandstone) undergoes metamorphic processes of heat and pressure, the resulting rock quartzite is harder than the sandstone due to an increase in density.</em></h3><h3><em>1. Hope this helps, sorry if not tho</em></h3>
Answer:
confidence coefficient for 99% is 2.58
2.58 * 19.4/sqrt(n) = 0.04
2.598*19.4/0.04 = sqrt(n)
( 2.598*19.4/0.04)^2 = n
1587676
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confidence coefficient for 90% is 1.64
(1.64*19.4/0.04)^2 = 632661.16