Due to a consumer protection law which penalizes manufacturers if their products are under filled (contains less than the advertised amount), some manufacturers deliberately overfill slightly. For example, the label on the container of Morton Iodized Salt shows its volume to be 26 ounces. Suppose the distribution of volumes of salt is approximately normal with a mean 26.9 ounces and a standard deviation of 0.46 ounces. Find the probability a randomly selected container has at most 26.0 ounces. Express the answer as a decimal value rounded to the nearest thousandth.

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