solve the following questions and upload the solution in text file $($word$,$ or pdf$)$

Q$1$ The number of content changes to a Web site follows a Poisson distribution with a mean of $0\mathrm{.}3$ per day.

$($a$)$ What is the probability of two or more changes in a day?

$($b$)$ What is the probability of no content changes in $2$ days?

$($c$)$ What is the probability of two or fewer changes in $10$ days?

Q$2$ The number of views of a page on a Web site follows a Poisson distribution with a mean of $1\mathrm{.}5$ per minute.

$($a$)$ What is the probability of no views in an hour?

$($b$)$ What is the probability of two or fewer views in $20$ minutes?