a krispy kreme donut has a normally distributed lifetime with mean = 20 hours and a...

Question

Question

a krispy kreme donut has a normally distributed lifetime with mean = 20 hours and a standard deviation= 8.5 hours

what is the probability that having the donut survived 10 hours, it will become bad within the following 10 hour?

math Statistics-And-Probability

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

A "KRISPY CREAM DONUT" has a normally distributed lifetime with Mean = 10 hours and a Standard De...

A "KRISPY CREAM DONUT" has a normally distributed lifetime with Mean = 10 hours and a Standard Deviation 3 hours. What is the probability that having the donut survived 10 hours, it will become bad within the following 10 hours? Your Answer: Answer A "KRISPY CREAM DONUT" has a normally distributed lifetime with Mean = 10 hours and a Standard Deviation 3 hours. What is the probability that having the donut survived 10 hours, it will become bad within the...
a krispy kreme donut has a normally distributed lifetime with mean = 20 hours and a...

a krispy kreme donut has a normally distributed lifetime with mean = 20 hours and a standard deviation= 8.5 hours A-What would be the failure rate (hazard function) at 15 hours B- how often should the donut be thown away, to maintain an accumulated failure of less than 10 %
The lifetime of a certain type of battery is normally distributed with mean value 10 hours...

The lifetime of a certain type of battery is normally distributed with mean value 10 hours (a) If a pack of 4 batteries is purchased, what is the probability that the average lifetime of the (b) How many batteries must be purchased such that the probability that their average lifetime is at and standard deviation 1 hour batteries in the package is at least 9 hours? least 9.5 hours is .99?

The lifetime of a particular component is normally distributed with a mean of 1000 hours and...

The lifetime of a particular component is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. Find the probability that a randomly drawn component will last 1070 hours or less.
The lifetime of a certain type of battery is normally distributed with mean value 14 hours...

The lifetime of a certain type of battery is normally distributed with mean value 14 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.) hours
The lifetime of a certain type of battery is normally distributed with mean value 13 hours...

The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.) X hours

The lifetime of a certain type of battery is normally distributed with mean value 12 hours...

The lifetime of a certain type of battery is normally distributed with mean value 12 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.)
The lifetime of a certain type of battery is normally distributed with mean value 13 hours...

The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.)
The lifetime of lightbulbs that are advertised to last for 6500 hours are normally distributed with...

The lifetime of lightbulbs that are advertised to last for 6500 hours are normally distributed with a mean of 6700 hours and a standard deviation of 300 hours. What is the probability that a bulb lasts longer than the advertised figure? Probability =

The lifetime of lightbulbs that are advertised to last for 4200 hours are normally distributed with...

The lifetime of lightbulbs that are advertised to last for 4200 hours are normally distributed with a mean of 4350 hours and a standard deviation of 250 hours. What is the probability that a bulb lasts longer than the advertised figure? Probability =