3. The following table gives the life time of 400 neon lamps: Life time (in hours) 300-400 400-500 500-600 600-700 700-800 800-900

Question

3. The following table gives the life time of 400 neon lamps:
Life time
(in hours) 300-400 400-500 500-600 600-700 700-800 800-900 900-1000
Number of
14 56
86 74 62 48
lamps:
60
A bulb is selected at random. Find the probability that the life time of the selected bulbi
(i) less than 400
(ü) between 300 to 800 hours: 0
(iii) at least 700 hours.

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Valentina 1 month 2021-08-18T23:32:25+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-08-18T23:34:09+00:00

    Answer:

    ex exhaust much Rd ga moon, so ga

    Step-by-step explanation:

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