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What value of x is in the solution set of –5x – 15 > 10 + 20x?

Write the sentence as an equation. z plus 372 is equal to 160

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable