subject
Mathematics, 09.12.2021 17:00 nicoleskertich

On a standardized exam, the scores are normally distributed with a mean of 200 and a standard deviation of 40. Find the z-score of a person who scored 90 on the exam.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
The product of two negative rational numbers is always zero sometimes zero never zero
Answers: 1
question
Mathematics, 21.06.2019 18:30
Which statement describes surface features called maria on the moon
Answers: 3
question
Mathematics, 22.06.2019 00:20
Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.
Answers: 2
question
Mathematics, 22.06.2019 02:00
Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?
Answers: 1
You know the right answer?
On a standardized exam, the scores are normally distributed with a mean of 200 and a standard devi...
Questions
question
Health, 05.11.2020 05:30
question
English, 05.11.2020 05:30
question
Mathematics, 05.11.2020 05:30
question
Mathematics, 05.11.2020 05:30
question
English, 05.11.2020 05:30