A financier whose specialty is investing in movie productions has observed that, in general, movies with "big-name" stars seem to generate more revenue than those movies whose stars are less well known. To examine his belief he records the gross revenue and the payment (in $ millions) given to the two highest-paid performers in the movie for ten recently released movies. Cost of performer- Revenue. xlsx. Estimate with 95% confidence the average gross revenue of movies whose top two stars earn $5.0 million.