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decoreyjpaipxv
26.11.2020 •
Mathematics
Pllllz i neeed helpp
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Ответ:
the 4th one
Step-by-step explanation:
it just my guess sorry
Ответ:
79.81% probability of winning.
Step-by-step explanation:
For each ticket, there are only two possible outcomes. Either you win, or you do not. The probability of winning in a ticket is independent of other tickets. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which
is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
The odds of winning the prize is 1 : 53
This means that![p = \frac{1}{53}](/tpl/images/1024/1624/2de6e.png)
If I purchased 84 tickets what are the odds of winning in percentage.
To win, at least one of the tickets must have the prize, of 84 tickets, so
.
We have to find
, which is given by:
In which
79.81% probability of winning.