I'm really confused by the wording of the problem. I looked at the answer, but the way the question is constructed is still confusing to me. Are there others with the same issue and how did you understand it? Below is the question:

#43

A company takes out an insurance policy to cover accidents that occur at its manufacturing plant. The probability taht one or more accidents will occur during any given month is 3/5. The number of accidents that occur in any given month is independent of the number of accidents that occur in all other months.

#43

A company takes out an insurance policy to cover accidents that occur at its manufacturing plant. The probability taht one or more accidents will occur during any given month is 3/5. The number of accidents that occur in any given month is independent of the number of accidents that occur in all other months.

**Calculate the probability that there will be at least four months in which no accidents occur before the fourth month in which at least one accident occurs.**
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