Fill In The Blanks 80 bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of following frequency table: Life time (in hrs): 300 500 700 900 1000Frequency : 10 12 23 25 10One bulb is selected at random from the lot. The probability that its life is 1150 hours is __________.

Fill In The Blanks 80 bulbs are selected at random from a lot and thei

1.	Fill In The Blanks 80 bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of following frequency table: Life time (in hrs): 300 500 700 900 1000Frequency : 10 12 23 25 10One bulb is selected at random from the lot. The probability that its life is 1150 hours is __________.
Answer» Fill In The Blanks 80 bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of following frequency table: Life time (in hrs): 300 500 700 900 1000 Frequency : 10 12 23 25 10 One bulb is selected at random from the lot. The probability that its life is 1150 hours is __________.