Probability and Statistics – Page 16

For-the-random-variable-x-show-that-a-Var-x-E-2-x-E-x-2-b-Var-ax-b-a-2-Var-x-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 50855 by peter frank last updated on 21/Dec/18 $F or t h e r a n d o m v a r i a b l e$ $x s h o w t h a t$ $a) V a r (x) = E^{2} (x) - {[E (x)]}^{2}$ $b) V a r (a x + b) = a^{2} V a r (x)$ Answered by…

show-that-x-0-n-xp-x-np-given-that-p-x-n-C-x-p-x-q-n-x-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 50856 by peter frank last updated on 21/Dec/18 $s h o w t h a t$ $\underset{x = 0}{\sum^{n}} x p (x) = n p g i v e n$ $t h a t p (x) =^{n} C_{x} p^{x} q^{n - x}$ Answered by Smail…

Question-50770

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 50770 by rahul 19 last updated on 20/Dec/18 Commented by rahul 19 last updated on 20/Dec/18 $? ?$ Terms of Service Privacy…

the-distirbution-function-for-a-random-variable-X-is-F-x-1-2e-2x-x-0-0-x-lt-0-find-1-the-density-function-f-x-2-p-x-gt-2-3-p-3-lt-x-4-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 181677 by ali009 last updated on 28/Nov/22 $t h e d i s t i r b u t i o n f u n c t i o n f o r a r a n d o m$ $v a r i a b l e X i s$ $F (x) = {\begin{cases} 1 - 2 e^{- 2 x} x ⩾ 0 \\ 0 x < 0 \end{cases}$ $f i n d$ $1) t h e d e n s i t y f u n c t i o n f (x)$ $2) p (x > 2)$ $3) p (- 3 < x ⩽ 4)$ …

Given-X-Uniform-0-and-Uniform-20-40-Find-the-cdf-of-X-F-X-x-for-x-0-20-and-x-20-40-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 116083 by Joel574 last updated on 30/Sep/20 $Given X ∣ Θ = θ ∽ U n i f o r m (0, θ) and$ $Θ ∽ U n i f o r m (20, 40) .$ $Find the cdf of X, F_{X} (x) for x \in [0, 20) and x \in [20, 40)$ Terms of Service Privacy Policy Contact: info@tinkutara.com

If-Mike-has-10-blocks-numbered-from-1-through-to-10-What-is-the-probability-that-he-didn-t-choose-a-block-number-7-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 115898 by bemath last updated on 29/Sep/20 $I f M i k e h a s 10 b l o c k s n u m b e r e d$ $f r o m 1 t h r o u g h t o 10 . W h a t i s t h e$ $p r o b a b i l i t y t h a t h e {d i d n}^{'} t c h o o s e$ $a b l o c k n u m b e r 7 ?$ Answered by TANMAY PANACEA last updated on…

Question-181424

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 181424 by Acem last updated on 25/Nov/22 Commented by Acem last updated on 25/Nov/22 $I f X r e p r e s e n t s a r a n d o m v a r i a b l e o f c h o o s i n g$ $a p o i n t, {w h a t}^{'} s t h e p r o b a b i l i t y o f s e l e c t i n g t h e$ $s h a d e d r e g i o n s ?$ Answered by…

Question-181349

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 181349 by cortano1 last updated on 24/Nov/22 Terms of Service Privacy Policy Contact: info@tinkutara.com

I-watch-a-favorite-TV-program-daily-for-30-min-If-there-were-ads-every-3-hours-what-s-the-probability-that-i-will-see-ads-once-again-the-next-day-while-watching-that-program-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 181140 by Acem last updated on 22/Nov/22 $I w a t c h a f a v o r i t e T V p r o g r a m d a i l y f o r 30 m i n .$ $I f t h e r e w e r e a d s e v e r y 3 h o u r s, {w h a t}^{'} s t h e$ $p r o b a b i l i t y t h a t i w i l l s e e a d s o n c e a g a i n t h e n e x t$ $d a y w h i l e w a t c h i n g t h a t p r o g r a m ?$ Commented by mr W last…

2-blondes-hair-of-6-girls-will-sit-around-a-circular-table-what-s-the-probability-that-those-two-girls-sitting-next-to-each-other-

Tinku Tara June 4, 2023 Probability and Statistics 0 Comments

Question Number 180990 by Acem last updated on 20/Nov/22 $2 b l o n d e s h a i r o f 6 g i r l s w i l l s i t a r o u n d a c i r c u l a r$ $t a b l e, {w h a t}^{'} s t h e p r o b a b i l i t y t h a t t h o s e t w o g i r l s$ $s i t t i n g n e x t t o e a c h o t h e r ?$ Answered by mr W last updated on 20/Nov/22 $${p}=\frac{\mathrm{4}!\mathrm{2}!}{\mathrm{5}!}=\frac{\mathrm{48}}{\mathrm{120}}=\frac{\mathrm{2}}{\mathrm{5}}=\mathrm{40\%}…

Category: Probability and Statistics