4. 5. A subject performance has a normal distribution with a mean of 65 marks and standard deviation of 10 marks. Find the probability of each of the following: (a) passing rate where 50 is the passing mark. (b) marginal and provisional passing grade between 40 and 49. McDee sells many types of soft drinks, including Cola. The amount of soda in each cup of large size Cola has a normal distribution with a mean of 17 ounces and a standard deviation of 0.3 ounce. (a) (b) Find the probability that a randomly selected cup of Cola contains 16.9 to 17.1 ounces of soda. Find the probability that the Cola cups contain 16.5 to 17.5 ounces of soda.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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4.
5.
A subject performance has a normal distribution with a mean of 65 marks and standard
deviation of 10 marks. Find the probability of each of the following:
(a)
passing rate where 50 is the passing mark.
(b)
marginal and provisional passing grade between 40 and 49.
McDee sells many types of soft drinks, including Cola. The amount of soda in each cup
of large size Cola has a normal distribution with a mean of 17 ounces and a standard
deviation of 0.3 ounce.
(a)
(b)
Find the probability that a randomly selected cup of Cola contains 16.9 to 17.1
ounces of soda.
Find the probability that the Cola cups contain 16.5 to 17.5 ounces of soda.
Transcribed Image Text:4. 5. A subject performance has a normal distribution with a mean of 65 marks and standard deviation of 10 marks. Find the probability of each of the following: (a) passing rate where 50 is the passing mark. (b) marginal and provisional passing grade between 40 and 49. McDee sells many types of soft drinks, including Cola. The amount of soda in each cup of large size Cola has a normal distribution with a mean of 17 ounces and a standard deviation of 0.3 ounce. (a) (b) Find the probability that a randomly selected cup of Cola contains 16.9 to 17.1 ounces of soda. Find the probability that the Cola cups contain 16.5 to 17.5 ounces of soda.
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