It is recommended that 13-year old girls get 45 milligrams of vitamin c each day . the table shows the vitamin c content of three foods . what precentage of the recommended amount will ardis receive if she eats all of these foods in one day.

(answers)
a 2.22
b 6.00
c 270
d 600

Yes, it will be a biased study.

Step-by-step explanation:

Given is that -

Pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure activities of star city’s residents.

This study will be biased and it will produce biased results.

Firstly, few people at ball game do not represent the whole population of the city and it is not necessary that all the people at ball park will respond to the question in the survey.