Exam grades: Scores on a statistics final in a large class were normally distributed with a mean of 22 and a standard deviation of 7. Use the Excel spreadsheet to answer the following. Round the answers to at least two decimals. Part: 0/4 Part 1 of 4 (a) Find the 35th The 35 percentile of the scores is Part: 1/4 Part 2 of 4 (b) Find the 61 percentile of the scores. The 61 percentile of the scores is Part: 2/4 Part 3 of 4 percentile of the scores. The minimum score needed to get an A is Part: 3/4 Part 4 of 4 X (c) The Instructor wants to give an A to the students whose scores were in the top 9% of the class. What is the minimum score needed to get an A7 X 6 X 5 (d) Between what two values are the middle 62% of the scores? (Enter the smaller number in the first box.) The middle 62% of the scores are between and X S

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Exam grades: Scores on a statistics final in a large class were normally distributed with a mean of 22 and a standard deviation of 7. Use the Excel spreadsheet
to answer the following. Round the answers to at least two decimals.
Part: 0/4
Part 1 of 4
(a) Find the 35 percentile of the scores.
The 35th
Part: 1/4
Part 2 of 4
(b) Find the 61 percentile of the scores.
The 61
percentile of the scores is
Part: 2/4
Part 3 of 4
percentile of the scores is
Part: 3/4
Part 4 of 4
X
X
(c) The Instructor wants to give an A to the students whose scores were in the top 9% of the class. What is the minimum score needed to get an A?
The minimum score needed to get an A is
$
X
D
S
(d) Between what two values are the middle 62% of the scores? (Enter the smaller number in the first box.)
The midcle 62% of the scores are between and .
X
3
Transcribed Image Text:Exam grades: Scores on a statistics final in a large class were normally distributed with a mean of 22 and a standard deviation of 7. Use the Excel spreadsheet to answer the following. Round the answers to at least two decimals. Part: 0/4 Part 1 of 4 (a) Find the 35 percentile of the scores. The 35th Part: 1/4 Part 2 of 4 (b) Find the 61 percentile of the scores. The 61 percentile of the scores is Part: 2/4 Part 3 of 4 percentile of the scores is Part: 3/4 Part 4 of 4 X X (c) The Instructor wants to give an A to the students whose scores were in the top 9% of the class. What is the minimum score needed to get an A? The minimum score needed to get an A is $ X D S (d) Between what two values are the middle 62% of the scores? (Enter the smaller number in the first box.) The midcle 62% of the scores are between and . X 3
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