Answers: 2
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 20:00
Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.
Answers: 1
35/20+3/20=35/20+3/20=...
Mathematics, 09.03.2021 06:00
Mathematics, 09.03.2021 06:00
English, 09.03.2021 06:00
Mathematics, 09.03.2021 06:00
History, 09.03.2021 06:00
Biology, 09.03.2021 06:00
Mathematics, 09.03.2021 06:00
English, 09.03.2021 06:00
Mathematics, 09.03.2021 06:00
Mathematics, 09.03.2021 06:00
Biology, 09.03.2021 06:00