Probability Question
Q: A gallup Poll showed that 30% of Americans are satisfied with the way things are going in the United...
A: (a) Obtain the probability that exactly 4 of the 20 Americans surveyed are satisfied with the way th...
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Q: Experience has shown that one out of every four customers who place an order withan internet retail ...
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Q: Suppose a recent government report indicates that 2% of the labor force is two or more races. Of the...
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Q: Find the number of distinguishable permutations of the given letters "AAABBBCCC".Your answer is :
A: There are total 9 numbers.
Q: On average, how many dice would you expect to show a "4"?die (dice)
A: Geometric distribution is the probability distribution of the number X of Bernoulli trials needed to...
Q: A factory received a shipment of 11 capacitors, and the vendor who sold the items knows there are 3 ...
A: Introduction: Suppose X is the number of defective capacitors in the sample. It can be assumed that ...
Q: A Applications | Rapidlden x A My Drive - Google Drive A Venn Diagrams W Jasmika Williams - 2.12 X E...
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Q: Suppose in a class there are 170 students. Of those 170 students, 90 are males and 80 are females. A...
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Q: An experiment is picking a card from a deck of 52 cards.SS = {2S, 3S, 4S, 5S, 6S, 7S, 8S, 9S, 10S, J...
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Q: Suppose a random variable, x, arises from a binomial experiment with p = 0.26, n = 15. Find P(x ≤ 3)...
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Q: Use the formula for nCr to solve, A four-person committee is to be elected from an organization’s me...
A: Given that total number of people = n= 11 We have to pick r=4 people from those 11 people. We know ...
Q: Answer with explanation in Excel Formulas Problem 1: Assume the number of downloads per day of a po...
A: Consider a random variable X that defines the downloads per day for the popular APP.
Q: Dairy cows at large commercial farms often receive injections of bST (Bovine Somatotropin), a hormon...
A: Given: Average milk production x = 28.0 kg/d Number of cows (n) = 12 Standard deviation = 2.25 kg/d ...
Q: Select the graph that shows the scatterplot of the data set. O A. Q Y 2 - 1 -6 в. -7 -2 -5 1 с. D.
A: We first plot scatter plot using the given data with the help of excel as below: Enter the data int...
Q: 28 percent of students are male. 37 percent of students take a Statistics course. 55 percent of male...
A: Let M denote the male students. Let F denote the female students Let S denote the students taken sta...
Q: There are a total of 22 people in an application pool, that are equally qualified for a job. The poo...
A: From the provided information, There are 22 people. People from California = 4 People from Nevada = ...
Q: If P(A)=4/5 compute the odds in favor of A resulting from a single trial of an experiment.
A: Given, P(A) = 4/5 Implies, there are 4 in favor of A in total 5 trials of an experiment No of trial...
Q: A researcher has collected the blood samples of 29 individuals and found that the mean hemoglobin co...
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Q: Assume that you select digits from the set {2,3,5,7} to form a number between 20 and 700. (1) How ma...
A: The given set of digits is 2,3,5,7 and the range of numbers is 20 to 700. There would be 2 digit num...
Q: A survey is done of customers at a coffee shop to determine whether there is any difference in the t...
A: Given Information: Coffee Tea Cold drink Total Men 80 76 34 190 Women 55 39 66 160 Total ...
Q: A private pilot wishes to insure his airplane for $200,000. The insurance company estimates that ato...
A: Total Insurance Pilot wishes=$20,000 At, loss=100%, the claim amount is $20,000 ...
Q: The following data were collected in a survey of 8th graders and summarize their cell phone status. ...
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Q: Need answer in Excel Formulas with explanation ( i got an answer but need more explanation because i...
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Q: Parts a , b & c
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Q: Given the frequency distribution below.(a) Construct the relative and the cumulative relative freque...
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Q: Given that the population standard deviation is σ = 1, determine the minimum sample size needed in o...
A: Given: Population standard deviation is σ = 1, Margin of error is E= 0.2 , Confidence level = c = 0....
Q: The height (in inches) of males in the U.S. are believed to be normally distributed. the average hei...
A: Given Information: The height (in inches) of males in the U.S. are believed to be normally distribut...
Q: The probability distribution shown below describes a population of measurements. x 0 2 4 p(x) 1...
A: Given data, x 0 2 4 p(x) 1/3 1/3 1/3 Expected value E(X)=?
Q: 2. This table shows the mean and median total cash income for married-couple households (including w...
A: The mean and median total cash income is mentioned for married couples’ households by race and Hispa...
Q: Thank you for your help!
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Q: Question 3. Suppose that the random variable X is defined as X = 0.6X1 + 0.3X2 +0.1X3, where the pro...
A: Given: Where all three are independent x = 0, 1, 2, 3, 4, 5
Q: Probability Scores 0.05 0 0.15 2 0.05 4 0.25 5 0.25 6 0.15 9 0.1 11 Find the expe...
A: Let the random variable x denote the score Given that Scores (x) probability P(X) 0 0.05 2 ...
Q: 1.) In a sample of 250 students travelling to campus, 190 use taxis. Of the taxi commuters, 130 trav...
A: Based on the provided information, the contingency table can be formed as; Use taxi Do not...
Q: Please see image below.
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Q: The following table lists the probabilities of unemployed females and males and their educationalatt...
A: Note: As per our Honor code policy, we are authorized to answer only three sub parts at a time. So, ...
Q: A factory received a shipment of 11 capacitors, and the vendor who sold the items knows there are 3 ...
A: Let the R.V X denotes the number of defective capacitors in the shipment and it follows the binomial...
Q: computing this probabillity? 1.63 The average number of cars arriving at a tollbooth is d cars per m...
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Q: In a certain four-engine vintage aircraft, now quite unreliable, each engine has a 25% chance of...
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Q: An experiment is picking a card from a deck of 52 cards.SS = {2S, 3S, 4S, 5S, 6S, 7S, 8S, 9S, 10S, J...
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Q: A nutritionist applies keto diet in a group of twenty individuals. He assumes that keto is designed ...
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Q: Find P(A and B). (Give your answer correct to two decimal places.) A and B are independent events,P(...
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Q: What is the probability of rolling two six-sided dice and obtaining the following numbers? a. 2 and ...
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Q: A person draws a card from a hat. Each card is one color, with the following probabilities of being ...
A: Given that P(blue) =1/10 and P(red) =1/20
Q: Probability Question
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Q: Use the formula for nCr to solve, An election ballot asks voters to select three city commissioners ...
A: There are total 6 people to choose from. So, n=6 And we have to choose 3 people. So, r=3 We know t...
Q: The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standa...
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Q: Given the sample data {1, 2, 3, 2, 7} (a) Calculate the mean.(b)Calculate the standard deviation.
A: Given Sample data: 1,2,3,2,7 Mean is define as the average value of the data. It can expressed as ra...
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