A card is drawn at random from a box of 20 cards numbered from 1 to 20. Find the probability of getting a number which is multiple of 4.

Q: Explain Rates and Ratios of Vital events.

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Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: Given that y = ax +b a = -0.791 b = 27.682 r2 = 0.906304 r = -0.952

Q: 4. The distribution of the time until change (in days) of a Web Days until Changes 1.5 site is…

A:

Q: 2. (1) Compute for the Relative Frequency and Percent Relative Frequency for the Frequency…

A: Given: N=160

Q: • What is the probability that you need to report to work on the 2nd day (i.e., P(Day 2 = On Duty))?…

A: From the Markov Chain diagram, we have the transaction matrix as  P=0.850.150.200.80 1) Therefore,…

Q: The joint PDF of X and Y is given as 0<x<y<1 (2, f(x, y) = Q. otherwise

A: Given: f(x,y)=20≤x≤y≤10otherwise

Q: Bianca has two coins. Coin A is a biased coin that comes up HEAD with probability 0.3. Coin B is a…

A: Given information: P(head| coin A)=0.3 P(tail| coin A)=0.7 P(head| coin B)=0.5 P(tail| coin B)=0.5…

Q: 3. The data from 200 endothermic reactions involving sodium Final Temperature Conditions Number of…

A: Given that  Frequency distribution table  Final Temperature Conditions = X Number of reactions =F…

Q: Example 7. In a survey of 35 students, 17 have opted Management, 10 have opted Management, but not…

A:

Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: Givenp=0.45sample size(n)=14Let "x" be the customers choose the leading brand of powdered…

Q: group, mean wage of men is Rs 70 and the mean wage of women is Rs 50., Find the p 2. The mean wage…

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Q: 12. Find the following table. 1. Fit a straight line trend by the method of least square. 2.…

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Q: 5. a) Two hockey teams, Toronto and Calgary are playing for the Stanley cup. Out of a 3 game series,…

A: Given that, Two hockey teams, Toronto and Calgary are playing for the Stanley cup. We need to find…

Q: Gregory buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut butter cookies, 8…

A: We  have given the following   7 chocolate chip cookies,  5 peanut butter cookies  8 sugar cookies,…

Q: 7. Fit a straight line trend by the method of least squares to the following data. Year: 1989 1990…

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Q: The joint pmf of X and Y are given in the table below: Y X 2 4 27 15 6 15 1 15 3 15 3 15

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Q: Sven placed exactly in the middle among all runners in a race. In 10th place, Dan placed lower than…

A: Given: Sven placed exactly in the middle among all runners in a race means number of runners must be…

Q: Example 21. B arranges to pay a debt of Rs. 9600 in 48 annual instalments which form an arithmetic…

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Q: Michael is taking 4 courses during the present term. In each course, he can receive one of 5…

A: Introduction: It is required to find the number of possible combinations of grades that the student…

Q: A. Suppose four coins are tossed, show all the outcomes and find the probability of getting: 1. two…

A: As per company guidelines I solved only First questions .thank you

Q: Jim rolled a 6-faced die for 29 times and recorded the numbers he obtained. The frequency of each…

A: From the given data we find the solution.

Q: What is the probability of getting neither a red queen card nor a diamond card?

A: We know that There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: For questions 8 to 10: The following are the scores of the random students who took the Math…

A: We have given that,  The data set are :-…

Q: For numbers 15-24, consider the following. The joint pmf of X and Y are given in the table below: Y…

A:

Q: The histogram displays the sugar content (as a percent of weight) of 49 brands of breakfast cereals.…

A: The above histogram has 2 peaks so the shape of the distribution is bimodal.

Q: 2. Suppose X and Y have joint probability density function f(x,y,z)= |a(x²+xyz),0<xs1,-1<ys1,1szs2…

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Q: 20. The following data states the number of ATM centres during 1995–2001. Year: 1995 1996 1997 1998…

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Q: Most communication developers claim that a 5G+ wireless connection would give an average spectral…

A:

Q: Imagine a man has two emotional type for each day: Happy and Sad. If he is happy in one day, then…

A:

Q: The heights of American adult males are normally distributed with a mean of 177 cm and a standard…

A: Empirical rules:1) P(μ-σ&lt;X&lt;μ+σ)=68%2) P(μ-2σ&lt;X&lt;μ+2σ)=95%3) P(μ-3σ&lt;X&lt;μ+3σ)=99.7%

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Given,y=-65.95x+49.28and r=-0.993

Q: Question 10 The liquid volume packaged in a bottle of A-brand orange juice follows a normal…

A: Solution

Q: Example 10. In an apartment of 25 houses, it was observed 15 houses posses Matiz car, 12 houses…

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Q: (2) Determine the areas under the normal curve given the mean of the distribution µ = 80 and o =…

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Q: Consider a family of three children. Find the following probabilities: (a) P(two boys|first born is…

A: Given that, a family has three children. We need to find the following probabilities: (a) P(two boys…

Q: At a college, 24% of all students are taking a course in solar design, 38% are taking a course in…

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Q: 6. The following table summarizes 186 endothermic reactions involving sodium bicarbonate. Heat…

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Q: Explain crude birth rate and give. its merits and demerits.

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Q: Security scans are often completed on computers in a particular college to assess the security risk…

A: Given that Security Scan (% Risk) Breakdown  No Breakdown  Low risk (0 - 10%) 3 61…

Q: Find the equation of the regression line for the given data. Then construct a scatter plot of the…

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Q: 1. If the joint probability distribution of X and Y is given by f(x,y)= **Y for x=0,1,2,3; y=0,1,2,…

A: XY 0 1 2 3 Total 0 0 130 230 330 630 1 130 230 330 430 1030 2 230 330 430 530 1430…

Q: Consider the probability density function if x 1. 2x4 Find E(X). Select one: | -IN -|0 O O O O

A: Obtain the expected value of E(X).   The expected value of E(X) is obtained below as follows:   From…

Q: A researcher takes sample temperatures in Fahrenheit of 18 days from Pittsburgh and 16 days from…

A: Given that, a researcher takes sample temperatures in Fahrenheit of 18 days from Pittsburgh and 16…

Q: The following bivariate data set contains an outlier. y 42.3 2093.4 65.7 1972 63.9 -262 -9.1 -261.1…

A: For the given data find rw = ? rwo =?

Q: Tuguegarao patrol group is concerned about the number of motor accidents along Buntun Highway. They…

A: *Answer:

Q: 0.95 C 0.95 0.4 0.05 0.05 0.9 0.9 0.6 a) Draw a tree diagram for the given two stage binary…

A: Given: The channel is as below

Q: Example 11. Insert A.M.s between 7 and 71 in such a way that the 5th A.M. is 27. Find the number of…

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Q: Find the probability, P(MOR), associated with the tree diagram. 0.2 R. 0.8 S What is P(MOR)? 0.1 M…

A: Solution

Q: The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

A: From the provided information, P (A) = 0.4, P (B) = 0.5 Probability that neither A nor B happen is…

Q: Consider the population : {1, 2, 3, 4, 5}, and suppose this population has the uniform distribution.…

A: