Homework Answers
Find the coefficient of variation in uniform distribution.
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Exhibit 2 The time to finish a survey is uniformly distributed between 45 to 60 minutes....
The time it takes a student to finish a chemistry test is uniformly distributed between 50...
The time it takes a student to finish a chemistry test is uniformly distributed between 50 and 70 minutes. What is the probability density function for this uniform distribution? Find the probability that a student will take between 40 and 60 minutes to finish the test. Find the probability that a student will take no less than 55 minutes to finish the test. What is the expected amount of time it takes a student to finish the test? What is...
Suppose that the commuting time on a particular train is uniformly distributed between 42 and 62...
Suppose that the commuting time on a particular train is uniformly distributed between 42 and 62 minutes. Bold a. What is the probability that the commuting time will be less than 49 minutes? Bold b. What is the probability that the commuting time will be between 45 and 55 minutes? Bold c. What is the probability that the commuting time will be greater than 58 minutes? Bold d. What are the mean and standard deviation of the commuting time?
The time it takes me to wash the dishes is uniformly distributed between 12 minutes and...
The time it takes me to wash the dishes is uniformly distributed between 12 minutes and 18 minutes. What is the probability that washing dishes tonight will take me between 14 and 15 minutes? Give your answer accurate to two decimal places.
It is assumed that the time customers spend in a record store is uniformly distributed between...
It is assumed that the time customers spend in a record store is uniformly distributed between 3 and 12 minutes. Based on this information, what is the probability that a customer will spend more than 9 minutes in the record store? A) 0.33 B) 0.1111 C) 0.25 D) 0.67 The price of a bond is uniformly distributed between $80 and $85. What is the probability that the bond price will be at least $83?
The time it takes a person to wash the dishes is uniformly distributed between 7 minutes...
The time it takes a person to wash the dishes is uniformly distributed between 7 minutes and 12 minutes. What is the probablity that a randomly selected event of washing dishes will take a person between 8 and 10 minutes? Round your answer accurate to two decimal places.
The amount of time Americans commute to work is normally distributed with mean of 45 minutes...
The amount of time Americans commute to work is normally distributed with mean of 45 minutes and a standard deviation of 15 minutes. According to the Empirical Rule, approximately 95% of Americans commute between ["20.33", "30", "0", "15"] and ["60", "90", "75", "69.67"] minutes
The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 6 minutes
1.The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 6 minutes. Find the probability that a randomly selected passenger has a waiting time greater than 2.25 minutes. Find the probability that a randomly selected passenger has a waiting time greater than 2.25 minutes.2.A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 46.0 and 56.0 minutes. Find the probability that a gi class...
Suppose that the commuting time on a particular train is uniformly distributed between 30 and 50...
Suppose that the commuting time on a particular train is uniformly distributed between 30 and 50 minutes. a. What is the probabiity that the commuting time will be less than 42 minutes? b. What is the probability that the commuting time will be between 36 and 43 minutes? c. What is the probability that the commuting time will be greater than 42 minutes? d. What are the mean and standard deviation of the commuting time?
Suppose that the commuting time on a particular train is uniformly distributed between 67 and 87...
Suppose that the commuting time on a particular train is uniformly distributed between 67 and 87 minutes. a. What is the probability that the commuting time will be less than 72 minutes? b. What is the probability that the commuting time will be between 70 and 82 minutes? c. What is the probability that the commuting time will be greater than 84 minutes? d. What are the mean and standard deviation of the commuting time?
Suppose that the commuting time on a particular train is uniformly distributed between 36 and 56...
Suppose that the commuting time on a particular train is uniformly distributed between 36 and 56 minutes. a. What is the probability that the commuting time will be less than 43 minutes? b. What is the probability that the commuting time will be between 44 and 52 minutes? c. What is the probability that the commuting time will be greater than 47 minutes? d. What are the mean and standard deviation of the commuting time?
The time it takes me to wash the dishes is uniformly distributed between 12 minutes and 18 minutes. What is the probability that washing dishes tonight will take me between 14 and 15 minutes? Give your answer accurate to two decimal places.
Suppose that the commuting time on a particular train is uniformly distributed between 30 and 50 minutes. a. What is the probabiity that the commuting time will be less than 42 minutes? b. What is the probability that the commuting time will be between 36 and 43 minutes? c. What is the probability that the commuting time will be greater than 42 minutes? d. What are the mean and standard deviation of the commuting time?
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