- 29. The life time of a printer head is assumed to follow normal distribution with mean 8 million characters and S.D 0.4 million characters. Then obtain the probability for: (i) printer head will fail before printing 7.2 million characters and (ii) it will survive beyond 8.4 million characters,

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
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29. The life time of a printer head is assumed to follow normal
distribution with mean 8 million characters and S.D 0.4
million characters.
Then obtain the probability for:
(i) printer head will fail before printing 7.2 million characters
and (ii) it will survive beyond 8.4 million characters.
Transcribed Image Text:29. The life time of a printer head is assumed to follow normal distribution with mean 8 million characters and S.D 0.4 million characters. Then obtain the probability for: (i) printer head will fail before printing 7.2 million characters and (ii) it will survive beyond 8.4 million characters.
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