Activity 3: 1. Find the mean of the probability distribution of the random variable X, which can take only the values 1, 2, and 3, given that P (1) =P(2) ==, and P (3) = _10 12 %3D

Q: A game is played by rolling a palr of dice. If the the player wins 50 pesos. Otherwise, he loses fav...

A: Given: If the same number appear on both side, the player wins 50 pesos the game favors neither the ...

Q: The following data represents the age (in years) of South African passengers on a flight to Australi...

A: Given data is Ages (years) Frequency 1 - 13 7 14 - 26 6 27 - 39 5 40 - 52 9 53 - 65 15 ...

Q: Predict the price of milk in a month when the price of eggs is $1.75. Round the answer to two decima...

A: solution:- Given data dozen eggs    x Gallon of milk   y xy   x2 1.01 2.85 2.8785 1.0201 0.94...

Q: Express the autocorrelation function of the process {X'(t)} in terms of the autocorrelation function...

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Q: What is the standard deviation for the probability experiment where that the first one shows up on 6...

A: here 6 sided dice rolled so possible outcomes 1,2,3,4,5,6 and probability of roll each of number = 1...

Q: In a survey of 650 randomly selected U.S. males ages 18-64, 396 say they have gone to the dentist in...

A: We have given that,  Favorable cases (X) = 396 and sample size     (n) = 650  Then,  We will find 90...

Q: In performing a regression analysis involving two numerical variables, we are assuming the variance ...

A: In performing a regression analysis involving two numericals,we are assuming Answer : The variation ...

Q: A company responsible for making gumballs found that their gumballs had an average diameter of 2.21 ...

A: We have given that.   X~N( μ , ?^2 )   μ =2.21 , ? =0.01   Z-score =( x - μ )/?  

Q: ach of the following statements, formulate the null and alternative hypothesis. Indicate whether the...

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Q: Problem 8. (a) Given (4) = 40 (B) = 60; %3D (AB) = 0; N = 100 (b) Given %3D (A) = 50 (B) = 60; (AB) ...

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Q: The following data give the percentage of men working in five in the retail and trade industries. Th...

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Q: Each column sums to 100%. There are about 100,000 men and 100,000 women in the workforce. Refer to t...

A: Given information: Occupation sectors Gender Men Women Management 35 42 Service 14 20 Sal...

Q: Which point is outlier?

A: for the given data which point is an outlier?

Q: A foundation is holding a fund - raising campaign in a form of a raffle. A raffle ticket costs 120 p...

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Q: How would you construct and interpret a contingency table from the following information: 150 Democ...

A: Given : 150 Democrats favor raising the min. wage, and 50 oppose it 100 Republicans favor raising th...

Q: ormul

A: Percentile: A percentile (or a centile) is a measure used in statistics indicating the value below w...

Q: 1) The following data come from a table that was measured with high precision Use the best mumerical...

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Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...

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Q: Based on the data, the number that best describes how the data varies is? А. О 4 В. 1 С. 2 D. 4

A:  Definition  The box plot in terms of descriptive statistics related concepts. That means box or whi...

Q: 4.1. In a 2x2 table (say categorical X=0 or 1 and categorical response Y=0 or 1). If X and Y are ind...

A: Please note that as per our guidelines if multiple questions are posted we can answer one question o...

Q: In a Binomial distribution mean 4 and variance is 2. Find the mode of %3D Binomial distribution.

A: Given that Mean = 4, Variance = 2 Find Mode = ?

Q: In an experiment to determine which of the three different missile systems is preferable, the propel...

A: For the given data we need to test the propellet burning rates are same for the three missile system...

Q: Several anthropology students are unprepared for a surprise true/false test with 17 questions, and a...

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Q: Find the area to the right of z = -1.02. A 0.8849 B 0.1234 0.8461

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Q: A game is played by first paying 100 pesos. This gives the player a chance to draw 2 balls with repl...

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Q: Out of 100 German nationals, 60 liked music of their own language, whereas 70 French nationals out o...

A: Given: Number of German nationals =100 No. of German nationals like music of their own language=60 N...

Q: If the left foot temperatures of two patients differ by 2 degrees, by how much would you predict the...

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Q: Ms. Cruz wants to know the average weekly allowance of the grade 10 students. She randomly asked 50 ...

A: Parameter :  The parameter is a single value and it describe about the whole population.            ...

Q: A Daseball analyst would like to study various team statistics for a recent season to determine whic...

A: We need to use the concept of least squares to find regression coefficients , equation and its inter...

Q: 9.How many ways can you arrange the letter from the words BUBBLE? A. 100 B. 120 C. 140 D. 160

A: how many ways can you arrange the letter from the words BUBBLE?total number of letters=6B-3U-1L-1E-1

Q: A school has a population of 8000 students with a mean height of 153 cm with a standard deviation of...

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Q: The following data represents the age (in years) of South African passengers on a flight to Australi...

A: Class Frequency (f) cf 0.5 - 13.5 7 7 13.5 - 26.5 6 13 26.5 - 39.5 5 18 39.5 - 52.5 9 27 5...

Q: If the probability that an applicant for a driver's licence will pass the road test on any given tri...

A: Given,p=0.8q=1-0.8=0.2A random variable X~geometric distribution(p=0.8)P(X=x)=qx-1p     ;  x=1,2,3,....

Q: If I reject the null hypothesis, this means that a) the null hypothesis is false b) the null hypot...

A: The decision rule for a general hypothesis test is given as follows: If p-value ≤ α, then reject the...

Q: If H1: μ1 – μ0 > 0 and α= 0.05, what should your sample size be to achieve power = 0.9 if you're onl...

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Q: During the busy season, it is important for the shipping manager at ShipMundo to be able to estimate...

A: Given that, μ=153 minutesσ=10 minutes The percentage of load times between 165 minutes and 177 minut...

Q: A student is about to take a true-false, 5-question quiz, with absolutely no knowledge of the subjec...

A: The probability of obtaining a head or a tail on flipping a coin is exactly the same that is 0.5 whi...

Q: 0 SXS2 Consider a continuous random variable X with f(x) = as its probability density function. Else...

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Q: A Ross MAP team is currently developing a regression model to explain the travel expense of HR consu...

A: From the regression output Find R^2 = ? Adjusted R^2 = ?

Q: contains 7 red balls, 6 green balis4 yellow balls and 3 purple ballsAssuming you don't return balls ...

A: Box contains 7 red,6 green,4 yellow, 3 purple  10 balls are drawn at random without replacement then...

Q: 2) If all of the values in a set of data were doubled, what would happen to the variance?

A: We need to use the concept of variance.

Q: ! Required information During a recent drought, a water utility in a certain town sampled 100 reside...

A: Given: Sample size = n = 100 Number of residents who reduced water consumption = x = 75 Sample propo...

Q: Import the data from the Hill City Excel file into Minitab. You are trying to predict Price. Note: M...

A: Given information:- Price SqFeet Age Bedrooms Bathrooms Garage spaces Mtn View 110000 1000 28 3...

Q: Have You Ever Been Arrested? According to a recent study of 7335 young people in the US, 30 % had be...

A: Given : Total young people in the US = 7335 Proportion of young people arrested for a crime other th...

Q: Dane recently decided to start up a new company offering insurance for people's smartphones. He has ...

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Q: A slot machine has three wheels that spin independently. Each has 10 equally likely symbols: 4 bars,...

A: Given that, A slot machine has three wheels that spin independently. Each has 10 equally likely symb...

Q: There are 5000 undergraduates registered at a certain college. Of them, 503 are taking one course, 6...

A: Given: Total number of students =5000 Number of students taking one course =503 Number of students t...

Q: 3. Following are prices, in dollars, of a random sample of ten refrigerators: 314 377 330 285 319 27...

A: Following are prices, in dollars, of a random sample of ten refrigerators: X = 314 377 330 285 319 2...

Q: s. How much should the player pay to play if the game is fair?

A: Here given, In a game of chance using balls numbered 1 to 20, a player wins 150 php is the randomly ...

Q: the probability that (a) all 3 are red, (b) all 3 are white, (c) 2 are red and 1 is white, (d) at le...

A: NOTE: as per guidelines i have calculated 3 subparts kindly repost for remaining here without replac...