ts choice. ool (Type integers or decimals rounded to four decimal places as needed.) O A. A mean reading rate of 93.2 wpm is unusual since the probability of obtaining a result of 93.2 wpm or more is This means that we would expect a mean reading rate of 93.2 or higher from a population whose mean reading rate is 91 in new program is abundantly more effective than the old program. of every 100 random samples of size n= 21 students. The Ils fo 053 O B. A mean reading rate of 93.2 wpm is not unusual since the probability of obtaining a result of 93.2 wpm or more is 0.1567. This means that we would expect a mean reading rate of 93.2 or higher from a population whose mean reading rate is 91 in 16 of every 100 random samples of size n=21 students. The new program is not abundantly more effective than the old program. (f) There is a 5% chance that the mean reading speed of a random sample of 23 second grade students will exceed what value? urce wpm. (Round to two decimal places as There is a 5% chance that the mean reading speed of a random sample of 23 second grade students will exceed needed.)

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Evaluate f 8tVt2 – 1 dt

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