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Q.1 ૨. નીચેનામાંથી કયો ચલ એ સતત ચલનું ઉદાહરણ છે?

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Q.2 ૧૦. $n$ અને $p$ આપેલ હોય ત્યારે દ્વિપદી વિતરણ માટે એક પણ સફળતા ન મળે ($x = 0$) તે ઘટનાની સંભાવના માટે નીચેના પૈકી શું છે?

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Q.3 ૧. નીચેનામાંથી કયો ચલ એ અસતત ચલનું ઉદાહરણ બનશે?

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Q.4 ૩. જો યાદચ્છિક ચલ $X$ એ $-1, 0$ અને $1$ કિંમતો પ્રાપ્ત કરે તો તેની સંભાવનાઓ અનુક્રમે $\frac{1}{5}, K$ તથા $\frac{1}{3}$ છે. તો $E(X)$ ની કિંમત શું થાય?

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Q.5 ૫. એક બાઈનોમિયલ સંભાવના-વિતરણ માટે તેના મધ્યકની કિંમત $3$ છે જ્યારે તેનું વિચરણ $7$ નહિ પરંતુ ચોરસ મધ્યક માટે $E(X^2)$ શોધવાનું હોય તો:

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Q.6 ૬. એક બાઈનોમિયલ ચલ $X$ ના સંભાવના-વિતરણ માટે $E(X) = 5$ તથા $E(X^2) = 35$ છે, તો આ વિતરણનું વિચરણ શું થાય?

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Q.7 ૯. એક દ્વિપદી વિતરણનો મધ્યક $5$ તથા વિચરણ $\frac{10}{7}$ છે. તો આ વિતરણ શું હશે?

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Q.8 ૪. એક યાદચ્છિક ચલ $X$ એ $-2, 0$ અને $2$ કિંમતો પ્રાપ્ત કરે છે જેની સંભાવનાઓ અનુક્રમે $\frac{1}{5}, \frac{2}{5}$ અને $K$ છે ($0 < K < 1$). તો $K$ ની કિંમત શું થાય?

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Q.9 ૭. $n = 10$ અવલોકનોના એક દ્વિપદી વિતરણ માટે નીચે આપેલ વિકલ્પોમાંથી કઈ કિંમત મધ્યકની હોઈ શકે?

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Q.10 ૮. $n = 4$ તથા $p = \frac{1}{2}$ માનવાળા દ્વિપદી વિતરણ માટે $P(x)$ નું મૂલ્ય $x$ ની કઈ કિંમત માટે મહત્તમ બને?