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shutvik [7]
3 years ago
10

Help! Please I got till tomorrow

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

6) Total number of students who took the test = 240

7) (2) 90% of the students who took the test ha scored equal or less Sal's score.

Step-by-step explanation:

<h3>6)</h3>

Formula to calculate 5th percentile

percentile = (# students who scored ≤ 60 / total number of students) * 100

5th  = 12/n * 100

5/100 = 12/n

0.05 = 12/n

n = 240

Total number of students who took the test = 240

<h3>7)</h3>

90th percentile means Sal scored better than 90% of people who took the test.

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