If event A and event B are as above and event A has probability 0.3 and event B has probability 0.1, then the probability that A or B occurs is

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Q: Table 1: Time (in hours) of relief provided by two analgesic drugs in patients who have arthritis…

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Q: Find the IQR of the data set and use it to determine if any of the data in the data set are…

A: Given data is43,40,35,32,36,40,35,35,36,38,37,40,39,36sample size(n)=14

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Q: derstand

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A: Given,mean(μ)=3 hoursstandard deviation(σ)=0.4 hours

Q: An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted…

A: Given A fair die is rolled twiceEvent A is the sum is greater than 9Event B is the sum is an odd…

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Q: A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 9 keys…

A: Given A standard piano keyboard has 88 different keys. a cat, jumping on 9 keys in sequence

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A: a) Three distinguishable coins are tossed.

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A: The average production cost for major movies is 57 million dollars and the standard deviation is 23…

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Q: Given H statistics O a. support O b. fail to accept O c. reject O d. fail to reject =9.68 and Xcv =…

A: Given, H statistics = 9.68 and χcv=5.68

Q: Consider the three competing grocery stores in town, T'San Grocery, 654 Grocery and Sunlight…

A: Let us define the following steady state probabilities: π1=T'San steady state probabilityπ2=654…

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Q: According to a survey conducted by Pew Research Center in June 2009, 44% of people aged 18 to 29…

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Q: B A 20 14 29 E D 3 27- H 26 G -30- 10- 4 K Find the shortest path from vertex A to vertex L. Give…

A: From the given graph we find the shortest path from vertex A to Vertex L

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A: As Prof. A. M. Gun said "If we have a sequence of trials each having two outcomes, say Success and…

Q: Suppose that you are watching people arriving at a doctor's office and they are arriving at an…

A: HERE GIVEN ,  Suppose that you are watching people arriving at a doctor's office and they are…

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Q: planes to busy airport follows exponential distribution. It was observed that on average plan five…

A: Given Solution:

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Q: A bookstore has 8 Algebra with Trigonometry and 7 Introduction to Biology books available. If two…

A: Solution-: Given: Number of Algebra with Trigonometry books =8            Number of Introduction to…

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A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: In dealing poker cards (52 cards in a playing deck), you're drawing 5 cards at random. What is the…

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A: Given: fx=6e2x The objective is to convert the function into  fx=Abx form.

Q: A 99% confidence interval is 3.46 < μ< 3.58 the point estimate is O a. 3.52 O b. 0.12

A: Confidence interval shows three important values, they are upper limit, lower limit and central…

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Q: Consider the following. (Assume that what is observed are the numbers that face up.) HINT Two…

A: 2 dice are rolled  Sample space : (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (2,5)…

Q: The following table shows the results of a survey of randomly selected residents of Mexico. Age 0-14…

A: Relative frequency = Number of frequency/Total number of frequency

Q: An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted…

A: Given A fair is rolled twiceEvent A : the sum is greater than 8Event B : the sum is not divisible by…

Q: Let x be a continuous random variable that has a normal distribution with a mean of 50 and a…

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Q: i. Sketch a scatter diagram of the data and interpret the correlation coefficient.

A: Scatter Diagram (i) insert →scatter plot

Q: The joint probability mass function of X and Y, p(x, y) is given by p(1,1)=¹ p(2,1)= p(3,1)=…

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Q: What is 6 and a quarter of a metre equivalent to in centimetres

A: Here we have to find What is 6 and a quarter of a metre equivalent to in centimetres i.e we have to…

Q: If X and Y are two independent random variables, then E(XY) = E(X) E(Y)

A: We need to prove, E(XY)=E(X).E(Y) It is given that X and Y are independent random variables,

Q: i) ii) iii) Find the value of m given that the expected value of Y is Find the probability of Y is…

A: ( i ) E(Y)=5/6 ⇒Σ y*p(y) =5/6⇒-1*16+0*13+m*12=5/6⇒-16+m2=5/6⇒m2=56+16⇒m2=1⇒m=2

Q: If X is a Binomial random variable with parameter (n, p), where 0 < p <1, then as k goes from 0 to…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: An engineering professor acquires a new computer once every two  years. The professor can choose…

A: Given that An engineering professor acquires a new computer once every two years. The professor can…

Q: Refer to the Venn diagram to the right for events A and B in an equally likely sample space S. Find…

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Q: Use the following information to answer the following question. A bag contains 12 red marbles, 15…

A: General formula of probability is ,    Probability = Number of favorable outcomes Total outcomes

Q: Mr.and Mrs. Khan want a family picture taken with their children, Hamish, Flora and James. In how…

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Q: Suppose that X₁, X2X100 IS a random sample from a normally distributed population with mean μ = 25…

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Q: or a fixed x (0<x< 1), suppose Y has a probability mass function [x²¹(1-x) ;_y=1,2,3,... ;…

A: Solution