Question a restaurant chain wants to create dishes that will attract new clientele. they are interested in adding some organic options to their menu. a survey revealed that 22% of people over 50 and 32% of people under 50 prefer organic foods. the restaurant wants to pull their clientele. 60 clients were randomly selected: 20 older adults and 40 younger adults. let x be the number of older adults (out of 20) who prefer organic. let y be the number of younger adults (out of 40) who prefer organic. let z be the total number in the sample who prefer organic (out of 60).which of the following is true about the random variables x, y, and z?