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The mean value of land and buildings per acre from a sample of farms is $1200, with a standard deviation of $100. The data set has a bel-shaped distribution. Assume the number of farms in the sample is 76. (a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between 51100 and $1300. farrms (Round to the nearest whole number as needed) (b) If 27 additional farns were sampled, about how many of these additional farms would you expect to have land and building values between $1100 per acre and $1300 per acre? farms out of 27 (Round to the nearest whole number as needed) Enter your answer in each of the answer boxes O Type here to search Links

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Answer #1

Given -th The mean vlue t land and buidns per aoe rno a Sampl ot -foros is 1Seo With a standaad deviation 아 4100 &sume the umber ot -form C 19-He Comple is 구 The and Standd eiaooG somple ot the Sample 아 obst.yAion w-s beu.chaped dis+ǐbulm cefined a oltloLoc he mean the mean) dleuiatiofvoo the mean ) use empirred วule to estimate the number ob- farme whose and ond uild ues per acrc are betven and 300 C Looo, uoo)cHa fall within the lime占 1100 and 1300 Number farms Co.95 구3 Number ot arms: n (o.95

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