Question: Hi, please show your work so I understand and please write clearly. There is no need to rush -- thank you The life span of

Hi, please show your work so I understand and please write clearly. There is no need to rush -- thank you

There is no need to rush -- thank you The life span

The life span of LED light bulbs is normally distributed with a mean and a standard deviation equal to 6'30 and l hours, respectively. The life span of uorescent light bulbs is normally distributed with a mean and a standard deviation equal to Still) and 8t] hours1 respectively. b} What is the probability that the average life span of 9 randomly seleeted LED light bulbs is 1 hour more than the average life span of 16 randomlyF selected uorescent light bulbs

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