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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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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.
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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