Which expression is equivalent to 1/4n − 16?

16 more than the product of 5 and p

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

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?