Show Consider the following hypothetical situation. Grade data indicat4es that on the average 27% of the students in senior engineering classes have received A grades. From past data we have measured a standard deviation of 15%. We would like to model the proportion X of A grades with a continuous distribution. a. Which distribution should be used?is it beta distribution? Please also provide the values of the parameters. b. Use the distribution in (a) to find the probability that more than 32% of the students had an A.
Show Consider the following hypothetical situation. Grade data indicat4es that on the average 27% of the students in senior engineering classes have received A grades. From past data we have measured a standard deviation of 15%. We would like to model the proportion X of A grades with a continuous distribution. a. Which distribution should be used?is it beta distribution? Please also provide the values of the parameters. b. Use the distribution in (a) to find the probability that more than 32% of the students had an A.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 11CR
Related questions
Question
Show Consider the following hypothetical situation. Grade data indicat4es that on the
average 27% of the students in senior engineering classes have received A grades. From
past data we have measured a standard deviation of 15%. We would like to model the
proportion X of A grades with a continuous distribution.
a. Which distribution should be used?is it beta distribution? Please also provide the values of the
parameters.
b. Use the distribution in (a) to find the probability that more than 32% of the
students had an A.
![4. Show Consider the following hypothetical situation. Grade data indicat4es that on the
average 27% of the students in senior engineering classes have received A grades. From
past data we have measured a standard deviation of 15%. We would like to model the
proportion X of A grades with a continuous distribution.
a. Which distribution should be used? Please also provide the values of the
parameters.
b. Use the distribution in (a) to find the probability that more than 32% of the
students had an A.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefd8f838-7e5f-4c5c-af84-2a3f66435b45%2F5a242dbc-69e3-4b5e-80aa-c8fb9393f03d%2F8rfpa3n_processed.png&w=3840&q=75)
Transcribed Image Text:4. Show Consider the following hypothetical situation. Grade data indicat4es that on the
average 27% of the students in senior engineering classes have received A grades. From
past data we have measured a standard deviation of 15%. We would like to model the
proportion X of A grades with a continuous distribution.
a. Which distribution should be used? Please also provide the values of the
parameters.
b. Use the distribution in (a) to find the probability that more than 32% of the
students had an A.
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