Question

the following table gives the life time of 400 neon lamps . life time ( in hours ) : 300-400 400 -500 500-600 600-700 700-8mps : 14 56 60 86 74 800-900 900-1000 600 2 a bulb is selected at random , find the probability that the life time of the selected bulb is :- ( i ) between 300 to 800 hours ( ii ) at least 700 hours .

Answer 1

Step-by-step explanation:

at least 700 hours

please mark me as brainlist