problem 1.) Find mean, voniance and standard deviation for the random variable x given by the following probability distribution, sharing all the steps and formulas used. Then, writy by calculator special features. X P(x) 1 2 4 0.25 0.1 0.5 0.15 mean= a) VAR= ST. DV. = b) suppose there is a 38% chance that a mongs free beers fruit in a given year. For a randomly selected sample of 8 different years, Find the mean, vanance and standard deviation for the number of years that the mango tree does not bear fruit? mean = b) VAR= ST.DV=

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Please help me stepwise and correct pls both parts.

problem 1.a)Find mean, variance and standard deviation for the
random variable x given by the following probability
distribution, shoing all the steps and famulas used. Then, verify by
calculator special features.
X <-3 1 2 4
P(x) 0.25
0-1 0.5 0.15
mean =
a) VAR=
ST. DV. =
b) suppose there is a 38% chance that a mong tree bears fruit in a
given year. For a randomly-selected sample of 8 different years,
find the mean, Vaniance and standard deviation for the number of
that the mango tree does not bear fruit?
years
mean =
b) VAR=
ST.DV=
Transcribed Image Text:problem 1.a)Find mean, variance and standard deviation for the random variable x given by the following probability distribution, shoing all the steps and famulas used. Then, verify by calculator special features. X <-3 1 2 4 P(x) 0.25 0-1 0.5 0.15 mean = a) VAR= ST. DV. = b) suppose there is a 38% chance that a mong tree bears fruit in a given year. For a randomly-selected sample of 8 different years, find the mean, Vaniance and standard deviation for the number of that the mango tree does not bear fruit? years mean = b) VAR= ST.DV=
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