he following the distribution of persons according to different income groups Income (in 1000) o of persons 0 - 8 8 - 16 16 - 24 24 32 32 40 40 - 48 8 7 16 24 15 7 ind the average income of the persons.

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A: A real estate agent believes that the mean home price in the northern part of a county is higher tha...

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Q: An article in the San Jose Mercury News stated that students in the California state university syst...

A: We have given that  Sample size n = 42  Sample mean = 5.1 Sample standard deviation =1.2  

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A: Given A fuel pump with an MTTF of 3000hrs is to operate continuously on a 500 hrs mission.

Q: 2. Let Z be a random variable with a standard normal distribution. Calculate: P(Z ≥ 1.98)= ? P(Z ...

A:

Q: Find the range and standard deviation of the following set of data. 168​, 177​, 163​, 174​, 167​, ...

A: Given 168​,177​,163​,174​,167​,186​,162 Range The range of a data set in statistics is the differenc...

Q: Just answer question 7  QUESTION 5 According to a recent survey, 35% of respondents drive Japanese-m...

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A: a.) To setup  and R control chart Step:1 First we compute means of sample1, sample 2 -----Sample 20 ...

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A: From the given information we find the score.

Q: he average salary for bank managers in a certain city is $91,900 pesos per hour with a standard devi...

A: let random variable X be the salary for bank managers in a certain city.X~N(μ,σ)where; mean(μ)=91900...

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A: Solution:

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Q: The following are the shoe sizes (inches) of 20 female students in SMU Senior High School: 6.4 7 8.1...

A: Given that  Let Xi denotes the shoes size of 20 females :  Xi:  5, 6.4, 7, 8.1, 5.8, 7.5, 9, 8.5,...

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Q: In an effort to reduce costs, a popular fast-food restaurant is trending to have its automatic proce...

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A: We have given that,  When the mean, median and mode are of the  same value the distribution should a...

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Q: Dependent-samples t test: state the null and alternative hypotheses (in words), and run the analysis...

A: Before (x) After(y)  d=x-y 9 5 4 8 6 2 10 3 7 8 2 6 7 4 3 8 4 4 9 3 6 9 5 4 6 2 ...

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Q: Use the central limit theorem to find the mean and standard error of the mean of the indicated sampl...

A: Given,sample size(n)=20mean(μ)=115standard deviation(σ)=39.9

Q: 4.The average salary of bank managers in a certain city is $91,900 pesos per hour with a standard de...

A: Given data is Mean(μ)=91900standard deviation(σ)=24300

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Q: 8% of people have some type of allergy. 113 individuals are randomly selected and interviewed. Find...

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Q: An​ assembly-line machine turns out washers with the following thicknesses​ (in millimeters). Find t...

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Q: Which distribution(s) is/are symmetric? Select all that apply. Gamma Distribution Exponential Distri...

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Q: The probability density function for continuous random variable, x, is given above. P(x P(x = 1.5) =

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Q: Does the following table represent the probability distribution for a discrete random variable? Expl...

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Q: 1. P(X) X · P(X) X - 4 (X – µ)² (X – µ)² · P(X) 2 1 3 10 1 3 10 What is mean of the probability dist...

A: Given, X P(X) X.P(X) X-μ X-μ2 X-μ2.P(X) 0 15 0 0-1.3=-1.3 1.69 0.338 1 25 25 1-1.3=-0.3 0.09 ...

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Q: The mean height of women in a country (ages 20 - 29) is 63.9 inches. A random sample of 70 women in ...

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Q: Pupils Per Teacher The frequency distribution shows the average number of pupils per teacher in some...

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Q: much do you expect to win or lose in the game? S

A: Here two dice are rolled  Each die have 6 possible outcomes  So Total outcomes by rolling two dice =...