A person died leaving property worth Rs 4000.40. His widow got 0.125 of the property. His son got 0.4 of the remainder. What did
2 answers:
Answer: The widow got Rs 500.05 and the son got Rs 1400.14
Step-by-step explanation:
Starting from Rs 4000.40, to obtain how much did the widow get we should just multiply the amount by 0.125:
Then, the son gets 0.4 of what is left, we must first substract the amount the wife got from the initial amount and then multiply it by 0.4:
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Step-by-step explanation:
Previous concepts
The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".
Solution to the problem
Let X the random variable of interest, on this case we now that:
The probability mass function for the Binomial distribution is given as:
For this case we want this probability:
And we can use the complement rule like this:
And we can find the individual probabilities like this:
And in order to do the operations we can use the following excel code:
"=1-BINOM.DIST(8,25,0.3089,TRUE)"
And we got: