subject
Mathematics, 12.06.2021 03:20 sophiaaacake

On a standardized exam, the scores are normally distributed with a mean of 69 and a standard deviation of 20. Find the z-score of a person who scored 89 on the exam.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9
Answers: 1
question
Mathematics, 21.06.2019 22:00
Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag
Answers: 1
You know the right answer?
On a standardized exam, the scores are normally distributed with a mean of 69 and a standard deviati...
Questions
question
Business, 30.08.2021 01:00
question
Social Studies, 30.08.2021 01:00
question
Mathematics, 30.08.2021 01:00
Questions on the website: 13722361