An insurance agent says that the mean cost of insuring a two year old sedan is less than $1200. a random sample of 8 similar insurance quotes has a mean cost of $1125 and a standard deviation of $55. is there enough evidence to support the agents claim at a= 0.10

a) state the null and alternative hypotheses and label claim

b) state the type of tail and draw a graph of the area

c) find p.

d) compare a and p. make a decision