Not all visitors to Billy's truck repair website are customers or potential customers. The Managment of the estimates that about 5 percent of all the visitors to the site are looking for other companies sites instead. Assuming that this estimate is correct and that a random sample of 40 visitors to the website are taken.

1) Estimate the number of visitors in the sample that are actually looking for Billy's truck repair website by giving the mean of the relevant distribution ( that is the expectation of the relevant random variable)

2) Quantify the uncertainty of your estimate by giving the standard deviation of the distribution.