For the given significance test, explain the meaning of a Type I error.A metropolitan city is trying to bring its smog level into federal guidelines and currently has 12% pollutants per 10,000 volume of air. The city comes up with a new policy where city employees are encouraged to use city transportation to and from work. An independent agency, hired by the city, runs a test on the air in order to determine if the new policy has had the desired effect.The hypotheses are:H0 : p≥0.12Ha : p<0.12 Explain the meaning of a Type I error.Question 18 options:a.Not concluding that the smog-level has increased when it actually has.b.Concluding that the smog-level has decreased when it actually has not.c.Concluding that the smog-level has increased when it actually has not.d.Not concluding that the smog-level has decreased when it actually has.