Mathematics, 14.12.2020 16:40 fluffy374747

It was determined that the percentage of t's in the English language in the 1800s was 6 %. A random sample of 600 letters from a current newspaper contained 25 t's. Test the hypothesis that the proportion of t's has changed in modern times, using the 0.05 level of significance. Treat the newspaper as a random sample of all letters used.

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