4. Which equation can be used to solve for x? * 10 points
16 in
A. sin(38) =
38°
B. cos(38)
16
х
C. tan(38)
16
16
D. tan(38)
X
A

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