Final answer:
The mutual fund best suited for investors who believe in the efficient market hypothesis is an index fund, which aims to replicate the stock market's overall performance.
Step-by-step explanation:
The type of mutual fund with particular appeal to investors who accept the efficient market hypothesis is an index fund. An index fund seeks to mimic the market's overall performance by owning a small share of every firm in the stock market, causing the mutual fund's value to fluctuate with the stock market's average. This approach is based on the belief that it's difficult to outperform the market consistently, so the goal of an index fund is to match the market performance, offering broad market exposure, low operating expenses, and low portfolio turnover.An index fund is a type of mutual fund that is particularly appealing to investors who accept the efficient market hypothesis. An index fund seeks to imitate the overall behavior of the stock market by owning a tiny share of every firm in the stock market. This means that the value of the index fund will fluctuate with the overall stock market's average.