Question

80 bulbs are selected at random from a lot and their life time (in hrs) is recorded in
the form of a frequency table given below
Life time (in hours)
300
500 700 900
1100
Frequency
10
12
23 25
10
One bulb is selected at random from the lot. The probability that its life is 1150
hours, is:
(a) 1/80
(b) 7/16
(c) 0
(d) 1​

Answer 1

Step-by-step explanation:

7 बार 16 आंसर फॉर ऑल ब्रांड अमली लाइफ टाइम ऑफ