Question

Car
i)
ii)
For travelling different mode of transport is used by 500 people are as follows.
Mode of transport No.of people
80
Scooter
120
Bus
100
Train
70
Cycle
110
No mode of transport
20
The probability of number of people who used car and scooter only is
2/5
1/5
3/5
4/5
The probability of number of people who used cycle only is
13/50
9/50
11/50
17/50
The probability of number of people who used atleast one kind of mode of transport is
21/25
23/25
21/25
24/25
The probability of number of people who used train only is
7/50
70/125
7/500
49/50
The probability of number of people not using any mode of transport is
1/25
3/50
20/25
20/50​

Answer 1

Answer:

Step-by-step explanation:

Given : different mode of transport  used by the people

To Find : probability of number of people:

(a) Used car and scooter only

(b) Used cycle only

(c) Used at least one kind of mode of transport.

(d) Used train only

(e)not using any mode of transport

Solution:

Mode of transport     Number of people

car                                  80

scooter                           120

Bus                                  100

Train                                70

cycle                                110

No  transport                    20

TOTAL                           500

(a) Used car and scooter only

80 + 120 = 200

Probability  =  200/500  = 2/5 =  0.4

(b) Used cycle only

Probability  =  110/500  =11/50 = 0.22

(c) Used at least one kind of mode of transport.  

= Total -  No transport required

= 500 - 20

= 480

Probability = 480/500 = 24/25 = 0.96

(d) Used used train only

Train = 70 =

Probability =  70/500 = 7/50 = 0.14

(e) not using any mode of transport

Probability = 20/500  = 1/25 = 0.04

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