Question

Meme Question 1 11 Question Sapins o tromption. The samping debo tortas su deviation of 0.3s. Find the stand van heppin and of the citi. Question 3 Olof populations by Question Tre found to of 40.000 The Wanderd deviation 8000 Ample of 100 ba choo. Tind the probability that Questions Troud to row The Wanderd is. A sample of 100 chind the probably the sau out of 15 Question Aarge of the chosen to population da to the decimale Queen Archoloma population Army dirbtion on the of the samples 110 and concoval Podolfo ♡ OOO

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Answer 1

③ Given 1 3 Х Ploog 0.210.5 0.3 mean (M = {x. P(x) CU (12) + (2)1:5) +13)(3) u=2.1 Sola) = {x? $(x) = 42 {X? p(x) = (132/12) +(23215)+(3)21.3) - 4.9 solo=J4.9-(2.1/2 - 0.7 mean x = 2 Rapbalitang z- X-M rin 2-2.1 0.7 / 52 z? -0.2020 from Normal Bobability Plz=-0. do 20 ) = 0.839917 P=0.839917 ~ 0.84 Aug distribution table

Ô Ginen n=64 Normiel distribution Mean) = 110 Sols) = 6 99% confidence internal then 2=8.576 from z-score C.I. - ut fable M+2 ( 2 ) - 110+ (2576) 6 Jog llot 1.932 - 108.066, 111.932) lower bound = 108.068 *