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a. &#119875;&#119875;(โˆ’1.2 < &#119885;&#119885; < 1.3) = ? Calculate the following using the provided normal probability

Posted: Thu May 19, 2022 8:26 am
by answerhappygod
a. ๐‘ƒ๐‘ƒ(โˆ’1.2 < ๐‘๐‘ < 1.3) = ?
Calculate the following using the provided normal
probability table. Illustrate your answers with graphs.
b. ๐‘ƒ๐‘ƒ(๐‘‹๐‘‹>10)=?whereXisdistributednormalwithฮผ=9andฯƒ=4.
c. The 79th percentile of X, where X is distributed
normal with ฮผ = 5 and ฯƒ = 16. ๏ฟฝ๏ฟฝ
d. ๐‘ƒ๐‘ƒ(41 โ‰ค ๐‘‹๐‘‹ โ‰ค 44) = ?, where ๐‘‹๐‘‹ is
calculated from random sample of n = 81 selected from a
normally distributed population, X~ N(40, 144).