Mathematics, 07.04.2020 17:52 vc0620120
The lengths of text messages are normally distributed with a population standard deviation of 3 characters and an unknown population mean. If a random sample of 24 text messages i taken and results in a sample mean of 27 characters, find a 99% confidence interval for the population mean. Zo.10Z0.0520.025 Zo.01 Z0.005 1.282 1.645 1.960 2.326 2.576 You may use a calculator or the common z values above. Select the correct answer below: a.(26.21,27.79) b.(25.99.28.01) c.(25.93,28.07)
Answers: 3
Mathematics, 21.06.2019 13:20, marissasusievalles
Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]
Answers: 3
Mathematics, 21.06.2019 13:30, 4tazaouiamine1r
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression
Answers: 3
Mathematics, 21.06.2019 19:00, mbalderp5bxjo
Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?
Answers: 3
The lengths of text messages are normally distributed with a population standard deviation of 3 char...
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