emilygoolsby2123
02.12.2019 •
Mathematics
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
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Ответ:
Answer
(3x-3)
Step-by-step explanation: