(13.) If you are picking a number between 1-20 what is the probability that you will pick a multiple of two or a number greater than 15?

Q: The physical plant at the main campus of a large state university recieves daily requests to replace...

A: Empirical rule  P(-3σ+μ<X+3σ+μ)=99.73%  P(-2σ+μ<X+2σ+μ)=95% P(-σ+μ<X+σ+μ)=68%     

Q: A bowl contains 7 red balls, 5 white balls, and 3 green balls. In how many ways can 3 balls be drawn...

A: Given,no.of red balls=7no.of white balls=5no.of green balls=3Total no.of balls=15

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Q: For a moderately skewed distribution of supply of Product A, arithmetic mean is 100, and coefficient...

A: Given : Arithmetic mean (Mean)= 100 Coefficient of variation (C.V)= 35% = 0.35 Pearson coefficient o...

Q: Find each of the following percintile points under the normal curve 1. P99 2. P68 3. P74 4. P81

A: A percentile is the value that has a specified percentage of observations below it.  1) To find the ...

Q: WRITE P IF PERMUTATION, WRITE C IF COMBINATION, WRITE FC IF FUNDAMENTAL COUNTING PRINCIPLE   1. Ma...

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Q: A jar contains 4 red marbles numbered 1 to 4, 12 blue marbles numbered 1 to 12, and 8 white marbles ...

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Q: 2. Comment on the following statement. Specifically, do you agree or disagree with it? Give reasons ...

A: Standard deviation is used to measure dispersion.

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A: The Poisson process is the extension of binomial distribution. It is a type discrete probability dis...

Q: A survey of 41 people was conducted to compare their self-reported height to their actual height. Th...

A: Solution: Given information: n= 41 sample size xd=1.1 Difference of sample mean sd= 0.54 Difference ...

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Q: class action lawsuit was brought against the government alleging age discrimination. The ages of 31 ...

A: Sample sizes n1=31     , n2=30        Sample means X̄1=47      , X̄2=43.9   s1 =7.2             , s2...

Q: Question 3 A small local business has an average of 130 customers per day, with a standard deviation...

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Q: How many 5-digit numbers can be formed using the digits 0 to 9 if:                   a. repetiti...

A: (a) Repetitions are allowed: There are 10 digits in total: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. The number ...

Q: The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distribute...

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Q: Q. 16. From the following data, find Q,, Q, D, P;: 73' Marks : 14 21 23 28 30 34 39 42 No. of studen...

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three su...

Q: A group of people were asked if they had run a red light in the last year. 455 responded "yes", and ...

A: The number of people who responded yes is 455 and the number of people who responded no is 310.

Q: A random variable X has a pdf   f(x) = { kex, x<0             0   , otherwise }   Determine the val...

A: K=? V(X)=? 

Q: 16. Fit a binomial distribution to the following data : 4 3 1 х : 10 4 62 46 28 f :

A:

Q: Suppose we know that at a University XYZ that 15% of students receive an A in their introductory sta...

A: Given Information: University XYZ: 15% received A, 20% received B, 30% received C, 10% received D an...

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A: Different types of variables are explained and objective is to find the what type of variable each a...

Q: Use the spinner below. 12 1 11 10 3 4 5 7 P(greater than 12) = Enter the probability as a reduced fr...

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Q: Amber rolls a 6-sided die. On her first roll, she gets a "3". She rolls again. (a) What is the proba...

A: amber rolls a 6 sided die.on her first roll , she gets a "3". she rolls again.

Q: O of OABS The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of ...

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Q: Let p be the population proportion for the follawing condition. Find the point estimates for p and q...

A: Given,n=1120X=290

Q: Based on the image attached, it shows a scatterplot of daily coffee consumption vs. IQ level. Based...

A: The scatterplot shows the daily coffee consumption vs. IQ level.

Q: A As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each col...

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Q: What effect does the value of the smoothing constant have onthe weight given to the recent values?

A: Exponential smoothing is 1 of the most common method for smoothing out a time series data.

Q: What is the mean for a normally-distributed binomial distribution with q = 0.4 and 100 trials.

A: Ans#- What is the mean for a normally-distributed binomial distribution with q = 0.4 and 100 trials ...

Q: A license plate has six characters. Three characters are letters, two characters are numbers (0-9), ...

A: Given that - A license plate has six characters. Three characters are letters, two characters are nu...

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below ...

A: For the given data Standard deviation = ? For the statement given select the correct choice

Q: For a normal distribution with μ=65 and σ=4, what X value would mark off the extreme 5% of scores in...

A: GivenMean(μ)=65standard deviation(σ)=4

Q: 2. 2) According to the National Institute on Alcohol Abuse and Alcoholism, 45% of college students n...

A: We have given that  Population proportion p=45%=0.45 Sample size n =348 Favorable cases x =149 Sampl...

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Q: Exercise 6. Let 0 > 0 and X ~U[0,0], i.e. X is uniformly distributed on the interval [0, 0]. a) As a...

A: GIven, X be a random variable such that  X~U[0,θ]                                   θ&gt;0   i.e; X ...

Q: Which is relatively better: a score of 70 on a psychology test or a score of 52 on an economics test...

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Q: It is known that 60% of customers will need additional maintenance on their vehicle when coming in f...

A: We have given that  Sample size n =50 Sample proportion p^=60%=0.60

Q: The 2008 General Social Survey asked, “What do you think is the ideal number of children for a famil...

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Q: Q. 16. From the following data, find Q,, Q, D,, P;: 9 73' Marks : 14 21 23 28 30 34 39 42 No. of stu...

A: Concentration of all the values around the central value of the given data is known as measures of c...

Q: 12.85 10.28 15.42 13.36 15.42 20.56 16.28 25.7 15.42 9.25 9.25 8.22 10.28 11.31 14.91 16.45 13.36 15...

A: We have given that  Sample size n =25 Sample mean =14.498 Standard deviation =4.15275  

Q: From the following incomplete distribution. Circulate missing frequencies using median formula when ...

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Q: If you randomly select a card from a well-shuffled standard deck of 52 cards, determine the probabil...

A: The total number of cards is 52. The number of jack cards is 4.

Q: runner ran a time for the 100 meter sprint of 15.0 seconds at a school where the mean time for the 1...

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Q: Q. 16. From the following data, find Q,, Q, D, P3: Marks : 97 14 21 23 28 30 34 39 42 No. of student...

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Q: Research was done to determine the wind speed distribution in Kelantan. The researcher claimed that ...

A: Given, Research  was done to determine the wind speed distribution in kelantan. The rearcher claims ...

Q: Q. 24. From the following data of wages of 200 workers of a factory, compute the first moments about...

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Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day ...

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Q: swer this one instead. A nationwide study of American homeowners revealed that 64% have one or more...

A: Given: Sample size (n) = 490 Number of success (x) = 360 Sample proportion p^=360490=3649 Hypothesiz...

Q: 4. 4For the following vectors, x and y, calculate covariance, Pearson's correlation and Spearman's r...

A: Given: The data given is as shown below x y 2 -1 -1 1 0 -2 1 0 -2 1 -3 2

Q: Calculate the coefficient of correlation between price and the supply of a commodity for the data gi...

A: