Mean typing speed is 90 wpm, with a standard deviation of 18 wpm. Find the probability a randomly selected sample of n = 49 typists has a mean speed of more than 91 wpm. Round your result to 4 decimal...


Mean typing speed is 90 wpm, with a standard deviation of 18 wpm. Find the probability a randomly<br>selected sample of n = 49 typists has a mean speed of more than 91 wpm. Round your result to 4<br>decimal places.<br>0.0258<br>None of these<br>0.2391<br>0.3741<br>0.3487<br>

Extracted text: Mean typing speed is 90 wpm, with a standard deviation of 18 wpm. Find the probability a randomly selected sample of n = 49 typists has a mean speed of more than 91 wpm. Round your result to 4 decimal places. 0.0258 None of these 0.2391 0.3741 0.3487

Jun 10, 2022
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