Let The probability density function of the random variable X is S k(2x + 1), 1 < a < 5 - {* f(x) otherwise Then value of the constant k is 1 30 36 1 25 1 15 O 1 28 O O

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Q: n = 15, p = 0.40, and x > 10

A: Givenn=15p=0.40x~Binomial(n=15,p=0.40)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,..,n

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Q: Mulitipication or cross products property    96  = b 45    20

A: We have, By cross multiplication,

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Q: 1 2 1 Q2. If A = 200 31 2 find A¹.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.