A construction company builds six houses of one room, 4 houses of two rooms, four houses, of three rooms. A buyer goes to the company and asks the manager to buy five houses. What is the probability that he buys at least one house of one room?
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total no. of houses=6+4+4=14
probablity of one room house
=6/14= 0.42
buyer can buy any of house from that of 6 house so the probability is 0.4
PLEASE AWARD IT AS BRAINIEST
probablity of one room house
=6/14= 0.42
buyer can buy any of house from that of 6 house so the probability is 0.4
PLEASE AWARD IT AS BRAINIEST
gulayaz589:
brother is that 100% correct solution?
of course upto 2 decimal points
thank you dude..
The probability that a patient recovers from a rare blooddisease is 0.4. If 15 people are known to have contracted thisdisease, what is the probability that: (a) at least 10 survive (b) from 3to 8 survive..
let me think it off
a) out of 15 people 15×0.4 = 7 people will survive. so for at leat 10 people 7/10 will survive
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