Probability and Statistics – Page 20

Suppose-a-job-consists-of-n-tasks-each-of-which-takes-time-t-seconds-Thus-if-there-are-no-failuers-the-sum-over-all-computed-nodes-of-the-time-taken-to-execute-tasks-at-that-node-is-nt-Sppose-also-

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Question Number 112359 by udaythool last updated on 07/Sep/20 $Suppose a job consists of n tasks$ $each of which takes time t$ $seconds . Thus if there are no$ $failuers the sum over all computed$ $nodes of the time taken to$ $execute tasks at that node is n t .$ $Sppose also that the probability$ $$\mathrm{of}\:\mathrm{a}\:\mathrm{task}\:\mathrm{failing}\:\mathrm{is}\:\boldsymbol{{p}}\:\mathrm{per}\:\mathrm{job}\:\mathrm{per} \…

The-probability-that-you-give-the-right-answer-to-this-question-is-A-0-B-25-C-50-D-100-

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Question Number 177814 by mr W last updated on 09/Oct/22 $T h e p r o b a b i l i t y t h a t y o u g i v e t h e r i g h t$ $a n s w e r t o t h i s q u e s t i o n i s \dots$ $A) 0 % B) 25 % C) 50 % D) 100 %$ Commented by cortano1 last updated on…

In-a-class-of-30-pupils-12-are-girls-and-2-of-them-are-short-sighted-Among-18-boys-6-are-short-sighted-If-a-pupil-is-selected-at-random-what-is-the-probability-that-the-pupil-chosen-will-be-

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Question Number 112163 by bobhans last updated on 06/Sep/20 $In a class of 30 pupils, 12 are girls and$ $2 of them are short - sighted . Among$ $18 boys, 6 are short - sighted . If a pupil$ $is selected at random, what is the probability$ $that the pupil chosen will be$ ${\begin{cases} (a) a girls \\ (b) short - sighted \\ (c) a short - sighted boy \end{cases}$ Answered by MJS_new…

There-are-two-cards-one-is-yellow-on-both-sides-and-the-other-one-is-yellow-in-one-side-and-red-on-the-other-The-cards-have-the-same-probability-1-2-of-being-chosen-and-one-is-chosen-and-placed

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Question Number 111826 by Aina Samuel Temidayo last updated on 05/Sep/20 $There are two cards; one is yellow on$ $both sides and the other one is yellow$ $in one side and red on the other . The$ $cards have the same probability (\frac{1}{2})$ $of being chosen, and one is chosen and$ $placed on the table . If the upper side$ $$\mathrm{of}\:\mathrm{the}\:\mathrm{card}\:\mathrm{on}\:\mathrm{the}\:\mathrm{table}\:\mathrm{is}\:\mathrm{yellow}, \…

Question-111788

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Question Number 111788 by 675480065 last updated on 04/Sep/20 Answered by bemath last updated on 05/Sep/20 $a = 3, b = 4; c = 4$ $\Leftrightarrow 3! 3! = {(6)}^{2} = 36$ $\Leftrightarrow 3! + 3! + 4! = 6 + 6 + 24 = 36$ Terms…

Question-111690

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Question Number 111690 by bemath last updated on 04/Sep/20 Answered by john santu last updated on 04/Sep/20 $l e t {\begin{cases} w h i t e b a l l = x \\ r e d b a l l = 2 x \\ b l a c k b a l l = 30 - 3 x \end{cases}$ $s o t h e n u m b e r o f w a y t o t a k e$ $2 w h i t e b a l l s a n d 1 b l a c k b a l l i s$ $${C}_{\mathrm{2}} ^{\:{x}}…

The-mean-median-and-mode-of-the-data-values-90-54-x-123-62-78-58-81-are-all-equal-What-is-the-value-of-x-

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Question Number 111533 by Aina Samuel Temidayo last updated on 04/Sep/20 $The mean, median and mode of the$ $data values 90, 54, x, 123, 62, 78, 58, 81$ $are all equal . What is the value of x ?$ Commented by Rasheed.Sindhi last updated on 04/Sep/20…

Question-45920

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Question Number 45920 by byaw last updated on 18/Oct/18 Answered by math1967 last updated on 19/Oct/18 $$\left.{i}\right)\:{All}\:\mathrm{4}\:{balls}\:{are}\:{black}=\:\frac{\:^{\mathrm{8}} {c}_{\mathrm{2}} \:}{\:^{\mathrm{20}} {c}_{\mathrm{2}} }\cap\frac{\:^{\mathrm{15}} {c}_{\mathrm{2}} }{\:^{\mathrm{25}} {c}_{\mathrm{2}} }\:…

Question-45827

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Question Number 45827 by byaw last updated on 17/Oct/18 Commented by MJS last updated on 17/Oct/18 $the source of these questions is at least not$ $accurate, always something missing or other$ $mistakes$ Answered by…

A-coin-that-comes-up-head-with-probability-p-and-tail-with-probability-1-p-independently-of-each-flip-is-flipped-five-times-The-probability-of-two-heads-and-three-tails-is-equal-to-1-7-of-the-proba

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Question Number 111276 by Aina Samuel Temidayo last updated on 03/Sep/20 $A coin that comes up head with$ $probability p and tail with probability$ $1 - p independently of each flip is flipped five times .$ $The probability of two heads and three tails is equal to \frac{1}{7} of the probability of three$ $heads and two tails . Let p = \frac{x}{y}, where$ $\gcd (x, y) = 1 . Find x + y .$ Answered…

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