Suppose x has a distribution with u = 12 and o = 7. (a) If a random sample of size n = 45 is drawn, find u5, o7 and P(12 < x 14). (Round ox to two decimal places and the probability to four decimal places.) Hx = ox = P(12 < x< 14) = (b) If a random sample of size n = 60 is drawn, find y, ox and P(12 < x < 14). (Round o to two decimal places and the probability to four decimal places.) 阪 = ox = P(12 < x< 14) = |

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Suppose x has a distribution with u = 12 and o = 7.
(a) If a random sample of size n = 45 is drawn, find u5, o7 and P(12 < x 14). (Round ox to two decimal places and the probability to four decimal places.)
Hx =
ox =
P(12 < x< 14) =
(b) If a random sample of size n = 60 is drawn, find y, ox and P(12 < x < 14). (Round o to two decimal places and the probability to four decimal places.)
阪 =
ox =
P(12 < x< 14) = |
Transcribed Image Text:Suppose x has a distribution with u = 12 and o = 7. (a) If a random sample of size n = 45 is drawn, find u5, o7 and P(12 < x 14). (Round ox to two decimal places and the probability to four decimal places.) Hx = ox = P(12 < x< 14) = (b) If a random sample of size n = 60 is drawn, find y, ox and P(12 < x < 14). (Round o to two decimal places and the probability to four decimal places.) 阪 = ox = P(12 < x< 14) = |
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