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Answers
Answer:
8/25, 12/25 ,0, 1, 3/25
Step-by-step explanation:
i) number of favourable cases= (60,70) and (70,80) as milk bill lies between 60 and 80. Hence number of favourable houses
= 3 + 5 .
= 8.
total number of cases= total number of houses= 25.
P(bill is between 60 and 80) = number of favourable cases/ total cases=8/25
ii) number of favourable cases= (40,50) , (50,60) , (60,70) .
= 4 + 5 +3
= 12.
(60,70) is also included because range (60,70) is actually (60,69)
this follows for all ranges for example (40,50) is actually range (40,49) because 50 is included in (50,60).
total number of cases=25.
P(houses paying at most 69 Rs for bill)= 12/25
iii) In given data, no house is paying milk bill above 100rupees ,so no.of possible outcomes=0 and total no.of outcomes= 25
probability= 0/25=0.
iv) In given data, all houses are paying milk bill between the range of 40-100 ,so no.of possible outcomes=25 and total no.of outcomes= 25
probability= 25/25=1.
v) no.of possible outcomes=3
total no.of outcomes= 25
probability= 3/25
Hope it helps