The amounts of time per workout an athlete uses a stairclimberare normally distributed, with a...
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 6 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 28 minutes, and (c) more than 30 minutes.
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The amounts of time per workout an athlete uses a stairclimberare normally distributed, with a...
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a...
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 28 minutes, and (c) more than 30 minutes. (a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is Round to four decimal places as needed.)...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that a randomly selected customer experiences a wait-time of less than 5 minutes? b. Find the wait time that defines the upper 1 percent.
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of...
The amounts a soft drink machine is designed to dispense for each drink are normally? distributed,...
The amounts a soft drink machine is designed to dispense for each drink are normally? distributed, with a mean of 11.9 fluid ounces and a standard deviation of 0.2 fluid ounce. A drink is randomly selected. ?(a) Find the probability that the drink is less than 11.7 fluid ounces. ? (b) Find the probability that the drink is between 11.4 and 11.7 fluid ounces. ?(c) Find the probability that the drink is more than 12.3 fluid ounces. Can this be...
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16.
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $16. Find the probability that a randomly selected utility bill is (a) less than $69. (b) between $84 and S90, and (c) more than $120 (a) The probability that a randomly selected utility bill is less than $69 is _______ (b) The probability that a randomly selected utility bill is between $84 and $90 is _______ (c) The probability that a randomly selected utility...
The amounts a soft drink machine is designed to dispense for each drink are normally distributed,...
The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.1 fluid ounces and a standard deviation of 0.2 fluid ounce. A drink is randomly selected. (a) Find the probability that the drink is less than 11.9 fluid ounces. (b) Find the probability that the drink is between 11.7 and 11.9 fluid ounces. (c) Find the probability that the drink is more than 12.4 fluid ounces. Can this be considered...
The amounts a soft drink machine is designed to dispense for each drink are normally? distributed,...
The amounts a soft drink machine is designed to dispense for each drink are normally? distributed, with a mean of 12.3fluid ounces and a standard deviation of 0.3 fluid ounce. A drink is randomly selected. ?(a) Find the probability that the drink is less than 12 fluid ounces. ?(b) Find the probability that the drink is between 11.9 and 12 fluid ounces. ?(c) Find the probability that the drink is more than 12.9 fluid ounces. Can this be considered an...
1. The time needed to complete a final examination in a particular college course is normally distributed with a mean o...
1. The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes and a standard deviation of 13 minutes. Answer the following questions. a. What is the probability of completing the exam in one hour or less (to 4 decimals)? b. What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes (to 4 decimals)? 2. According to the...
my C Cour The times per week a student uses a lab computer are normally distributed, with a mean of 5.9 hours and a...
my C Cour The times per week a student uses a lab computer are normally distributed, with a mean of 5.9 hours and a standard deviation of 1.4 hours. A student is randomly selected. Find the following probabilities. Anno (a) Find the probability that the student uses a lab computer less than 4 hours per week. (b) Find the probability that the student uses a lab computer between 6 and 8 hours per week. (c) Find the probability that the...
The time it takes a randomly selected rat to complete a maze is normally distributed with...
The time it takes a randomly selected rat to complete a maze is normally distributed with mean 1.5 minutes and standard deviation 0.35 minutes. (a) Find the probability that a randomly selected rat spends longer than 1.6 minutes to complete it. (b) We randomly take a sample of 100 rats. Find the probability that the average completion time for the sampled rats is smaller than 1.6 minutes. (c) We randomly take a sample of 4 rats. Find the probability that...
The amounts a soft drink machine is designed to dispense for each drink are normally distributed,...
The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.3 fluid Ounces and a standard deviation of 0.2 fluid Ounce. A drink is randomly selected. (a) Find the probability that the drink is less than 12.2 fluid Ounces. (b) Find the probability that the drink is between 12 and 12.2 fluid Ounces. (c) Find the probability that the drink is more than 12.6 fluid Ounces. Can this be considered...
The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 7 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 28 minutes, and (c) more than 30 minutes. (a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is Round to four decimal places as needed.)...
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of 10 minutes and a standard deviation of 2 minutes. a. What is the probability that a randomly selected customer experiences a wait-time of less than 5 minutes? b. Find the wait time that defines the upper 1 percent.
bution The time required to fill a prescription at a local pharmacy is at is normally distributed with a mean of...
my C Cour The times per week a student uses a lab computer are normally distributed, with a mean of 5.9 hours and a standard deviation of 1.4 hours. A student is randomly selected. Find the following probabilities. Anno (a) Find the probability that the student uses a lab computer less than 4 hours per week. (b) Find the probability that the student uses a lab computer between 6 and 8 hours per week. (c) Find the probability that the...
The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 12.3 fluid Ounces and a standard deviation of 0.2 fluid Ounce. A drink is randomly selected. (a) Find the probability that the drink is less than 12.2 fluid Ounces. (b) Find the probability that the drink is between 12 and 12.2 fluid Ounces. (c) Find the probability that the drink is more than 12.6 fluid Ounces. Can this be considered...
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