Question

The following table gives the distribution of the life-time of 400 neon lamps
Life time
1500-
2000-
2500-
3009-
3500-
4000-
in hours)
2000
2500
3000
3500
4500-
5000
4000
4500
14
56
60
86
74
62
48
Number of
lamps
Find the median life time of a lamp.​

Answer 1

Answer:

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Answer 2

Answer:

$33 { { \times . { { - 16 = { - {0.0 = - = }^{?} }^{?} \times \frac{?}{?} }^{?} }^{?} }^{?} }^{?}$

Step-by-step explanation:

${ - 11 \times 432y {3 \div \div \div y111 \\ \\ \\ \\ 1 {62 {21x2.. {.y}^{?} \times \frac{?}{?} \times \frac{?}{?} }^{?} }^{?} }^{?} }^{?} \times \frac{?}{?}$