Probability and Statistics – Page 42

A-point-is-chosen-at-random-inside-a-rectangle-measuring-5-inches-by-6-inches-What-is-the-probability-that-the-randomly-selected-point-is-at-least-1-inch-from-the-edge-of-rectangle-

Tinku Tara June 3, 2023 Probability and Statistics 0 Comments

Question Number 10117 by Gaurav3651 last updated on 25/Jan/17 $A p o i n t i s c h o s e n a t r a n d o m i n s i d e$ $a r e c t a n g l e m e a s u r i n g 5 i n c h e s$ $b y 6 i n c h e s . W h a t i s t h e p r o b a b i l i t y$ $t h a t t h e r a n d o m l y s e l e c t e d p o i n t$ $i s a t l e a s t 1 i n c h f r o m t h e e d g e o f$ $r e c t a n g l e ?$ Commented by prakash…

Question-75538

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Question Number 75538 by mhmd last updated on 12/Dec/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

Suppose-that-X-and-Y-have-a-discrete-joint-distribution-for-which-the-joint-p-f-is-defined-as-follows-f-x-y-c-x-y-for-x-2-1-0-1-2-and-y-2-1-0-1-2-0-other-wise-Determine-a

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Question Number 75524 by mhmd last updated on 12/Dec/19 $S u p p o s e t h a t X a n d Y h a v e a d i s c r e t e j o i n t d i s t r i b u t i o n f o r w h i c h t h e j o i n t p . f i s d e f i n e d a s f o l l o w s$ $f (x, y) = {c ∣ x + y ∣ f o r x = - 2, - 1, 0, 1, 2 a n d y = - 2, - 1, 0, 1, 2$ $0 o t h e r w i s e$ $D e t e r m i n e (a) t h e v a l u e o f t h e c o n s t a n t o f c$ $(b) p r (X = 0 a n d Y = - 2)$ $(e) p r (X = 1)$ $(d) p r (∣ x - y ∣⩽ 1)$ $${pleas}\:{sir}\:{help}\:{me} \…

Question-9818

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Question Number 9818 by j.masanja06@gmail.com last updated on 05/Jan/17 Commented by sandy_suhendra last updated on 06/Jan/17 $the intervals is usually not overlapping$ $such as : 1 - 10, 11 - 20, 21 - 30 etc$ Terms of Service Privacy…

Question-75325

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Question Number 75325 by TawaTawa last updated on 09/Dec/19 Answered by MJS last updated on 10/Dec/19 $z_{A} = \frac{500 - 524.66}{15.01} \approx - 1.643$ $z_{B} = \frac{500 - 528.21}{15.01} \approx - 1.879$ $$\mathrm{1}−\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}\pi}}\underset{{z}_{{A}} } {\overset{\infty}…

Question-75259

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Question Number 75259 by rajesh4661kumar@gmail.com last updated on 09/Dec/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

The-mean-of-n-number-is-20-if-the-same-numbers-together-with-30-give-a-new-mean-of-22-find-n-

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Question Number 9577 by j.masanja06@gmail.com last updated on 18/Dec/16 $The mean of n number is 20 . if$ $the same numbers together with 30$ $give a new mean of 22,$ $find n .$ Answered by ridwan balatif last updated on…

A-class-contains-20-students-of-whom-2-are-men-and-8-are-women-A-random-sample-of-2-students-is-taken-from-the-class-without-replacement-random-imlies-that-each-student-has-an-equal-chance-of-appe

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Question Number 140596 by nadovic last updated on 10/May/21 $A class contains 20 students of whom 2$ $are men and 8 are women . A random$ $sample of 2 students is taken from the$ $class without replacement . (random$ $imlies that each student has an equal$ $chance of appearing in the sample)$ $$\left({a}\right)\:\mathrm{Use}\:\mathrm{a}\:\mathrm{diagram}\:\mathrm{to}\:\mathrm{illustrate}\:\mathrm{the}\:\mathrm{possible} \…

Question-74860

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Question Number 74860 by rajesh4661kumar@gmail.com last updated on 02/Dec/19 Answered by MJS last updated on 02/Dec/19 $no head$ ${(\frac{1}{2})}^{6} = \frac{1}{64}$ $minimum one head$ $$\mathrm{1}−\frac{\mathrm{1}}{\mathrm{64}}=\frac{\mathrm{63}}{\mathrm{64}} \…

given-that-x-and-y-are-samples-of-random-variable-drawn-from-a-population-that-is-normally-distributed-find-the-joint-distribution-of-x-and-y-if-x-and-y-are-independent-find-the-marginal-distribut

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Question Number 8973 by tekviah munandi last updated on 09/Nov/16 $g i v e n t h a t x a n d y a r e s a m p l e s$ $o f r a n d o m v a r i a b l e d r a w n f r o m a$ $p o p u l a t i o n t h a t i s n o r m a l l y d i s t r i b u t e d$ $f i n d t h e j o i n t d i s t r i b u t i o n o f x a n d y .$ $i f x a n d y a r e i n d e p e n d e n t f i n d t h e$ $m a r g i n a l d i s t r i b u t i o n s .$ Terms of…

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