The reading speed of second grade students in a large city is approximately normal, with a mean of 89 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). Click...


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The reading speed of second grade students in a large city is approximately normal, with a mean of 89 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f).<br>Click here to view the standard normal distribution table (page 1).<br>Click here to view the standard normal distribution table (page 2).<br>(a) What is the probability a randomly selected student in the city will read more than 94 words per minute?<br>The probability is.<br>(Round to four decimal places as needed.)<br>Interpret this probability. Select the correct choice below and fill in the answer box within your choice.<br>A. If 100 different students were chosen from this population, we would expect<br>to read more than 94 words per minute.<br>B. If 100 different students were chosen from this population, we would expect<br>to read exactly 94 words per minute.<br>C. If 100 different students were chosen from this population, we would expect<br>to read less than 94 words per minute.<br>(b) What is the probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 94 words per minute?<br>Click to select your answer(s).<br>2:40<br>12/13<br>P Type here to search<br>pouse<br>brepk<br>012<br>19<br>18<br>47<br>f6<br>15<br>f4<br>13<br>f2<br>esc<br>9.<br>8.<br>7.<br>%24<br>6.<br>%23<br>

Extracted text: The reading speed of second grade students in a large city is approximately normal, with a mean of 89 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) What is the probability a randomly selected student in the city will read more than 94 words per minute? The probability is. (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. A. If 100 different students were chosen from this population, we would expect to read more than 94 words per minute. B. If 100 different students were chosen from this population, we would expect to read exactly 94 words per minute. C. If 100 different students were chosen from this population, we would expect to read less than 94 words per minute. (b) What is the probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 94 words per minute? Click to select your answer(s). 2:40 12/13 P Type here to search pouse brepk 012 19 18 47 f6 15 f4 13 f2 esc 9. 8. 7. %24 6. %23
The reading speed of second grade students in a large city is approximately normal, with a mean of 89 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f).<br>Click here to view the standard normal distribution table (page 1).<br>Click here to view the standard normal distribution table (page 2).<br>The probability is<br>(Round to four decimal places as needed.)<br>Interpret this probability. Select the correct choice below and fill in the answer box within your choice.<br>A. If 100 different samples of n = 10 students were chosen from this population, we would expect<br>sample(s) to have a sample mean reading rate of more than 94 words per minute.<br>B.<br>If 100 different samples of n = 10 students were chosen from this population, we would expect<br>ample(s) to have a sample mean reading rate of less than 94 words per minute.<br>O C. If 100 different samples of n = 10 students were chosen from this population, we would expect<br>sample(s) to have a sample mean reading rate of exactly 94 words per minute.<br>(c) What is the probability that a random sample of 20 second grade students from the city results in a mean reading rate of more than 94 words per minute?<br>1.<br>The probability is<br>Click to select your answer(s).<br>2:40 P<br>O Type here to search<br>12/13/2C<br>puse<br>break<br>112,<br>410<br>16<br>f5<br>f4<br>f3<br>f2<br>f1<br>&<br>7.<br>esc<br>8.<br>6.<br>#3<br>4.<br>

Extracted text: The reading speed of second grade students in a large city is approximately normal, with a mean of 89 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). The probability is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. A. If 100 different samples of n = 10 students were chosen from this population, we would expect sample(s) to have a sample mean reading rate of more than 94 words per minute. B. If 100 different samples of n = 10 students were chosen from this population, we would expect ample(s) to have a sample mean reading rate of less than 94 words per minute. O C. If 100 different samples of n = 10 students were chosen from this population, we would expect sample(s) to have a sample mean reading rate of exactly 94 words per minute. (c) What is the probability that a random sample of 20 second grade students from the city results in a mean reading rate of more than 94 words per minute? 1. The probability is Click to select your answer(s). 2:40 P O Type here to search 12/13/2C puse break 112, 410 16 f5 f4 f3 f2 f1 & 7. esc 8. 6. #3 4.
Jun 05, 2022
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