What is the probability that or more boxes arrive in a month? Use the normal distribution means sd to find this.

The number of times that or more arrive in month has a binomial distribution , use this to calculated the probability that or more boxes arrive in or more of the next months:

where is the binomial probability of occurences in trials with probability of success on a single trial of .

The number of arrivals in a six month period has a normal distribution with mean , and SD .b) whats the likelihood that more than 610 boxes arrive over a six month period?

.