Suppose that X and Y have following joint probability distribution: F(x,y) X 2 1 0.10 y 3 0.20 5 0.10 a.) Find the marginal distribution of X. b.) Find the marginal distribution of Y. 4 0.15 0.30 0.15

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A: Formula: PPR= 100N+(P-LB)fpi+cfp where, N= Total no. of observation i= class interval LB= lower…

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A: Given: The odds of making it through a light to be 0.2. That is, p=0.2

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Q: Could you give a background question where 12! would be the answer?

A: Please find the explanation below. Thank you

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

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A: Measure of central tendency , it is a single value that aims to describe a set of data by…

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A: According to our guidelines, we can answer only three subparts. So Please repost the rest questions.

Q: Suppose that A and B are non-mutually exclusive events such that 17 . P(A) = 21,P(B) = 2121 and P(A…

A: It is given that  P(A) = 8/21 P(B) = 12/21 P(A or B) = 17/21

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A: There are 4 gray, 3 blue, 5 white, and 6 green cards.

Q: Find Rx, the range of the random variable X. Find P(X ≤ 0.5). Find P(0.25 < X < 0.75).

A: The given PMF can be represented as X 0.2 0.4 0.5 0.8 1 P(x) 0.1 0.2 0.2 0.3 0.2 Note :…

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A: Given A bank PIN is a string of four digits, each digit 0-9. Odd numbers=1,3,5,7,9

Q: A data set of 30 values has a mean of 6.2. What is the sum of the values?" * 0.207 4.839 186 O 18.6

A: Simple formula of mean has used.

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Q: a) 1 girl and 2 boys b) oldest is a girl.

A: Given, A family has planned to get 3 kids i.e. n=3

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Q: consider a drug that is used to help prevent blood clots in certain patients. In clinical trials,…

A: Given X=150 n=5911 Alpha=0.01

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A: It is given that  Total number of students = 240 Number of students are on honour roll = 176 Number…

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Q: Example 2.7 The PMF of the number of components K of a system that fails is defined by…

A: Please see below

Q: 2. (20 pts) Let X and Y be random variables of the continuous type having the joint p.d.f. 8 f(x,y)…

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Q: Two methods are used for determining ESR values of 100 persons, first is the Westergren method and…

A: Specificity= 100/(100+60) = 0.625 = 62.5%  Sensitivity= TP/(TP+FN) = 50/(50+88) =0.3623 = 36.23%

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Q: A bag contains cards numbered from 1 to 15. One card is drawn at random. Find the probability of…

A: The bag contains cards numbered from 1 to 15.

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A: Given,Total no.of people=19

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A: * SOLUTION :-

Q: III. Directions: Solve the following problems. Show your complete solution. Round off your answer…

A: Formula : CI=point estimate ± ME

Q: Juice boxes are sold in packages of 4 and she brought 15 packages. How many juice boxes did she buy?

A: Word problems are studied in arithmetic.

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A: Given that  The probability that a person reacts to a newly manufactured vaccine against the current…

Q: Example 2.7 The PMF of the number of components K of a system that fails is defined by (*)(0.2)…

A: Please see below

Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Let X denote the number of times a certain numerical control machine will malfunction: 1,2 or 3.

Q: Using the table: The modal class of 50the percentile is Score Frequency 6 5 3 40-45 35-39 30-34…

A: Solution-: We fin find the modal class of the 50th percentile

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Q: The weight of cement bags considered to be normally distributed with mean of (50 + (student number *…

A: Solution