Which process involves publicizing an organization's products or services in the pretense of a journalist covering an event or trend?

Is an area within which there is a stated probability that the parameter will fall

Fill in the blank(s) with the appropriate word(s).

Which is a prime lens?

a. a 14:1 lens b. a 20:1 lens c. a zoom lens d. a fixed-focal-length lens e. a variable-focal-length lens