Confidence Interval Assignment | Professional Writing Services
December 30th, 2019
10 .\-10.9 4 points BBUnder Stat7 2 7 . 1. 01 8. M11. 0Moo Submissions Used\ MY Notes*+, ASK YOUR TeacherWhat price do farmers get for their watermelon crops ? In the third week of July , a random sample of 42 farming regions gave a sample mean of * = $6.88 per 100 pounds of watermelon .
Assume that o is knownto be $ 1. 94 per 100 pounds .( a ) Find a 90% confidence interval for the population mean price ( per 100 pounds ) that farmers in this region get for their watermelon crop . What is the margin of error ? ( Round your answers to twodecimal places . )lower limitupper limitmargin of error( b ) Find the sample size necessary for a 90 % confidence level with maximal error of estimate E = 0. 43 for the mean price per 100 pounds of watermelon . ( Round up to the nearest whole number . )farming regions( C) A farm brings 15 tons of watermelon to market . Find a 90% confidence interval for the population mean cash value of this crop . What is the margin of error ? Hint : I ton is 2000 pounds . ( Round youranswers to two decimal places . )lower limitupper limit`69 _margin of error*Need Help ?`Read ItMaster It*Submit Answer*
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