Mathematics, 16.04.2020 01:29 yuvraj2298
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distributed with mean 2.63 and standard deviation 0.80.
(a) If a random sample of 25 specimens is selected, what is the probability that the sample average sediment density is at most 3.00?
Answers: 2
Mathematics, 22.06.2019 02:10, shahedalahmad2017
Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.
Answers: 2
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normall...
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