2 pu/21 Prersa Stats RM Proble1 Setil Sam scored a 27 on his ACT last back in October. The mean ACT score for his class was 23, with a standard deviation of 2. Assuming a normal (bell- shaped)...


2 pu/21<br>Prersa<br>Stats RM Proble1<br>Setil<br>Sam scored a 27 on his ACT last back in October. The mean ACT score for<br>his class was 23, with a standard deviation of 2. Assuming a normal (bell-<br>shaped) distribution for students' scores, answer the following:<br>1) What percentage of students would you expect to have scored higher than<br>Sam?<br>-30<br>13-3<br>21 73<br>34 34 350<br>25/24<br>2) What percentage of students should have scored between Sam's score<br>and the mean?<br>4800<br>44. 5<br>2 5%<br>4n.<br>3) Jessica scored a 21 on the ACT? What percentage of students would you<br>expect to have scored lower than Jessica?<br>50.0<br>(34.0)<br>16.0%<br>4) What percentage of students would you expect to have scored above 19<br>on the exam?<br>5) Troy scored a 25 on the exam. Approximately what percentage of<br>students scored between Troy's score and the mean?<br>6) What percentage of students scored below Troy?<br>

Extracted text: 2 pu/21 Prersa Stats RM Proble1 Setil Sam scored a 27 on his ACT last back in October. The mean ACT score for his class was 23, with a standard deviation of 2. Assuming a normal (bell- shaped) distribution for students' scores, answer the following: 1) What percentage of students would you expect to have scored higher than Sam? -30 13-3 21 73 34 34 350 25/24 2) What percentage of students should have scored between Sam's score and the mean? 4800 44. 5 2 5% 4n. 3) Jessica scored a 21 on the ACT? What percentage of students would you expect to have scored lower than Jessica? 50.0 (34.0) 16.0% 4) What percentage of students would you expect to have scored above 19 on the exam? 5) Troy scored a 25 on the exam. Approximately what percentage of students scored between Troy's score and the mean? 6) What percentage of students scored below Troy?

Jun 11, 2022
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