Problem

Find the mean and vananc. Nw $∴$
CompanyA $2$ $1$ $3$ $4$ $5$
$\left(y\right)1$ $0.25$ $0-16$ $0.10$ $0.3\sqrt{} $ $0.20$
Compeny $B$
$N$ $\dfrac {2} {0^{.05}}$ $3$
$P\left(y$ $0-45|0.05|0.15$ $4$ $030^{\right)^{\sqrt{} }}-05$

10th-13th grade

Probability and Statistics

Solution

Qanda teacher - Sapna

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