The probability that at least one of the events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.2, then P(A) + P(B) is equal to

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Q: lex x be a random variable Xe P(x) = xex if x≥0 0 if x<o find probability that x is between 0 and 5.

A: The probability density function of the random variable X is given as follows:

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Q: Hello can yo help me with the last question? Thanks!

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Q: A pizza shop offers 5 different toppings. If a customer can choose any number of toppings from 0 to…

A: There is total 5 different pizza toppings.A customer can select any number of toppings from 0 to 5.

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Q: Let Y1,..., Yn be random sample from a Gamma (α, ẞ), show 1/nΣ1 Y² converges in probability and find…

A: denotes a random sample from a .It must be proved that  converges in probability and it's limit must…

Q: A spinner is divided into five colored sections that are not of equal size: red, blue, green,…

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Q: Let X be a random variable with discrete pdf f(x) = x/8 if x = 1, 2, 5, and zero otherwise. Find:…

A:

Q: The heights of 1500 students are normally distributed with a mean of 176.5 centimeters and a…

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Q: The total of individual weights of garbage discarded by 17 households in one week is normally…

A: The objective of this question is to find the 99% confidence interval for the mean weight of garbage…

Q: age life of 38 months with a standard deviation of 6.8 months? Use a P-value in your conclusion.…

A: Sample size n=70Sample mean=38Standard deviation=6.8

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A: Margin of error: E = 0.03p is the proportion of residents who favor the construction of the nuclear…

Q: The stock of a fast-food restaurant chain pays a dividend of $0.67. If the share price for this…

A: The objective of this question is to calculate the dividend yield of a stock. The dividend yield is…

Q: A marketing expert for a pasta-making company believes that 50% of pasta lovers prefer lasagna. If…

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Q: Q1: Calculate the 10th term for a probability of success of 0.5 if the probability has Pascal PMF,…

A: Let random variable X follow the Pascal distribution (i.e. negative binomial distribution)p=0.5 is…

Q: show accurate simplistic working out please

A: i.) The probability of selecting a Silver car from Germany is 4/75​, which simplifies to…

Q: al. sis that the average content of containers of a particular lubricant is 10 liters if the…

A: Sample size n=10Population mean =10

Q: One day you overhear how two fellow students discuss a show in which a performer spins a coin many…

A: Two fellow students discuss a show in which a performer spins a coin many mes, resulting in Tails 30…

Q: Evaluate the function to answer the question. Use the equation Max = (x + y + lx-yl) to answer the…

A: The final answers are:.a) 10b) 11c) -5d) 4 Explanation:

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Q: 3.33 Suppose a certain type of small data processing firm is so specialized that some have…

A: The provided information is as follows:The probability density function is given as

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A: a.  H0​:p=0.52  H1​:p=0.52b. Test statistic = -2.9667c. p-value = 0.0030d. Based on the above we…

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Q: Given a random sample of size 22 from a normal distribution, find k such that (a) P(-1.721 <T<k) =…

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Q: A manufactured lot of buggy whips has 15 items, of which 5 are defective. A random sample of 3 items…

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Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

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Q: An integer is chosen at random from the integers {1,2,3....40}. The probability that the chosen…

A:

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: From the provided information,It is believed that 9% of voters are Independent that is p = 0.09n =…

Q: If there were 600 full-term babies born at a hospital in 2010, how many of them would you expect to…

A: If there were 600 full-term babies born at a hospital in 2010, how many of them would you expect to…

Q: Continuous distribution. Draw a bell shaped curve to show the x and z values and the probability…

A: The objective of this question is to find the height that separates the tallest 10% of the college…

Q: Given a random sample of size 22 from a normal distribution, find k such that (a) P(-1.721…

A: Probability is the chance that an unsure event will occur with this probability. Basically, the…

Q: Question 1 Consider a 3 dimensional contingency table. Decide if the following statements are true…

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Q: A jar contains 4 grey and 6 yellow balls. Two successive draws of 2 balls are made without…

A: Given,Number of grey balls, n(g) = 4Number of yellow balls, n(y) = 6Total number of balls, N = 4+6 =…

Q: A taxi company is trying to decide whether to purchase brand A or brand B tires for its fleet of…

A: The data on the taxi tries for two brands A and B are given below,TaxiBrand ABrand…

Q: A poker player holds a nush when all five cards in the hand

A: A flush means a hand containing five cards of the same suit. The aim is to draw five cards in a row…

Q: Jan's parents let her pour out the family's coin jar so she could record the number of each type of…

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Q: Suppose the fraction of undergraduate students who smoke is 15% and the fraction of graduate…

A: The events are determined as follows:S: The student is a smoker.G: The student is a graduate…

Q: 5. Changes in incentives Suppose that a large influx of electric scooter rentals in a crowded…

A: It is given that the new helmets reportedly decrease the probability of injury by 29% in the event…

Q: At the Skittles factory, a bag of Skittles is filled by a mechanical scoop. The scoop picks up 9,…

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Q: 2. Using set notation, write out the sample space for each of the following random experiments. (a)…

A: The question is about probability.Introduction :Sample space :1 ) It is the set of all possible…

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A: The objective of this question is to find the limiting probabilities of a particle being at each of…

Q: A bond with a $3,000 par value has a 5.6% coupon and a 7-year maturity date. Calculate the total of…

A: The objective of this question is to calculate the total interest payments made to the bondholder…

Q: If p(x) = = var(X)= sd(X)= x 15 ‚ for x = 1, 2, 3, 4, 5, is the probability mass function of a…

A: The probability distribution of the variable X is given as:p(X=x)=x15 for x=1,2,3,4,5…

Q: The daily amount of coffee, in liters, dispensed by a machine located in an airport lobby is a…

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Q: In Exercises 37–42, an ice chest contains six cans of apple juice, eight cans of grape juice, four…

A: The objective of this question is to find the probability of selecting three cans of apple juice…

Q: A 93.32% Cl is given as (2.5, 3.5). From this information, find a 95% confidence interval (yes, this…

A: The provided information is as follows:The 93.32% confidence interval is (2.5,3.5).