Afederal report finds that a lie detector test given to truthful persons have a probability of 0.2 of suggesting that the person is deceptive. a company asks 12 job applicants to take a lie detect test. suppose that all 12 applicants answer truthfully.

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?