battery packs in electric go-carts need to last a fairly long time. the runtimes of the...
battery packs in electric go-carts need to last a fairly long time. the runtimes of the battery packs made by a particular compary are normally distributed with a mean of 2 hours and a standard deviation of 20 minutes. what percentage of these battery packs lasts longer than 3 hours?
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battery packs in electric go-carts need to last a fairly long time. the runtimes of the...
The time until recharge for a battery in a laptop computer under common conditions is normally...
The time until recharge for a battery in a laptop computer under common conditions is normally distributed with mean of 200 minutes and a standard deviation of 60 minutes. What is the probability that a battery lasts more than 3 hours?
The time until recharge for a battery in a laptop computer under common conditions is normally...
The time until recharge for a battery in a laptop computer under common conditions is normally distributed with a mean of 260 minutes and a standard deviation of 50 minutes. What is the probability that a battery lasts more than four hours? What are the quartiles (25% and 75%) of battery life? What value of battery life, in minutes, is exceeded with 95% probability?
The lifetime of a battery in a certain application is normally distributed with mean = 16...
The lifetime of a battery in a certain application is normally distributed with mean = 16 hours and standard deviation o = 2 hours. a) What is the probability that a battery will last more than 19 hours? Select] b) Find the 10th percentile of the lifetimes. (Select] c) A particular battery lasts 14.5 hours. What percentile is its lifetime on? Select)
QUESTION 11 A full charged battery of a given mobile phone lasts a time T under...
QUESTION 11 A full charged battery of a given mobile phone lasts a time T under full utilization It was found that this lifetime T is normally distributed with a mean of 180 min and standard deviation of 20min. What value of lifetime in minutes is exceeded with 90% probability? 120.5 mn 134.4 mn 143.6 mn 154.3 mm 161.3 mn QUESTION 12 A full charged battery of a given mobile phone lasts a time T under full utilization It was...
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 5700 hours are normally distributed with...
The lifetime of lightbulbs that are advertised to last for 5700 hours are normally distributed with a mean of 5950 hours and a standard deviation of 150 hours. What is the probability that a bulb lasts longer than the advertised figure? Use Excel to obtain more accuracy.
13. The lifetime of lightbulbs that are advertised to last for 5000 hours are normally distributed...
13. The lifetime of lightbulbs that are advertised to last for 5000 hours are normally distributed with a mean of 5100 hours and a standard deviation of 100 hours. What is the probability that a bulb lasts longer than the advertised figure? Use three decimals of accuracy in your answer. Probability = 14. The combined math and verbal scores for females taking the SAT-I test are normally distributed with a mean of 998 and a standard deviation of 202 (based...
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose...
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose the life of the battery has a standard deviation of 0.6 year and is normally distributed. a. Determine the probability that the watch's battery will last longer than 5.7 years. b. Calculate the probability that the watch's battery will last more than 4.7 years. c. Compute the length-of-life value for which 5% of the watch's batteries last longer.
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose...
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose the life of the battery has a standard deviation of 0.7 year and is normally distributed. a. Determine the probability that the watch's battery will last longer than 5.2 years. b. Calculate the probability that the watch's battery will last more than 4.45 years. c. Compute the length-of-life value for which 5% of the watch's batteries last longer.
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose...
An expensive watch is powered by a 3-volt lithium battery expected to last five years. Suppose the life of the battery has a standard deviation of 0.7 year and is normally distributed. a. Determine the probability that the watch's battery will last longer than 5.2 years. b. Calculate the probability that the watch's battery will last more than 4.45 years. c. Compute the length-of-life value for which 5 % of the watch's batteries last longer.
The lifetime of a battery in a certain application is normally distributed with mean = 16 hours and standard deviation o = 2 hours. a) What is the probability that a battery will last more than 19 hours? Select] b) Find the 10th percentile of the lifetimes. (Select] c) A particular battery lasts 14.5 hours. What percentile is its lifetime on? Select)
QUESTION 11 A full charged battery of a given mobile phone lasts a time T under full utilization It was found that this lifetime T is normally distributed with a mean of 180 min and standard deviation of 20min. What value of lifetime in minutes is exceeded with 90% probability? 120.5 mn 134.4 mn 143.6 mn 154.3 mm 161.3 mn QUESTION 12 A full charged battery of a given mobile phone lasts a time T under full utilization It was...
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