Tickets for a raffle cost $5. There were 847 tickets sold. One ticket will be randomly selected as the winner, and that person wins $2000 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)?If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer rounded to two decimal places.Expected Value = $

Q: Gabriel and Lucia took a road trip across the country. The room costs, in dollars, for their…

A: According to the given information, we have Data set: "…

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A: To find the median of the distribution, you'll first need to arrange the outcomes in ascending order…

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A: Given  μ=3500, σ=500 P(X>3100)= ?

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Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

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Q: For Roger Maris 14 homerun seasons of 5,  8,  9,  9,  13,  14,  16,  19,  23,  26,  28,  33,  39,…

A: To find the percentile

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A: Let "X" be the weight of steers in a herd.

Q: find the mean for the following set of scores 2 7 9 4 5 3 0 6

A: The formula for calculating the mean is, The sum of  set of scores is,

Q: THE RANGE OF SCORES 17,19,19,23,26

A: We know that the range is the difference between the maximum and minimum value.

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Q: mean, median, and mode

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Q: The mean weight of a class of 35 students is 45 kg. If the weight of the teacher be included, the…

A: Given, The mean weight of a class of 35 students is 45 kg.

Q: 5. The median is larger than the arithmetic mean when a. the distribution is positively skewed. b.…

A: Here's, the median is larger than the arithmetic mean.

Q: A professor grades students on four tests, a term paper, and a final examination. Each test counts…

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Q: The pie chart shows the distribution of the opinions of parents on whether a college education is…

A: For the given data Perform Chi square goodness of fit

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Q: Use a standard normal table to find the z-score that corresponds to the 5th percentile. Click to…

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Q: Baseball team A of n=7 scores has a mean = 8.  Baseball team B of n=3 scores has a mean = 12.  if…

A: From the provided information,

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Q: What is the value of the variance when all the data in the set are equal? a. -1 b. 0 c. 1 d. 100%

A: All the sets are equal.

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given: X¯1=77n1=259X¯2=90n2=344X¯3=66n3=171

Q: Name Lois Chris Meg Peter Brian Stewie Exam1 57 46 45 18 98 96 Exam2 70 42 58 99 90

A: Given that,the mean of exam 2 is  65.Exam 1 and Exam 2 scores are given:NameExam 1Exam…

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Q: Find the mean of the following data. 19, 22, 20, 16, 25, 23, 17, 18 O None of these O 28 O 22 O 20

A:

Q: Emma loves Butterfinger bars and recently ate a bar that only weighed 58 grams. Based on the…

A: P (z < -1.67) = 0.0478Explanation:z = (x - µ)/σ = (58 - 60)/1.2 = -1.67 P (z < -1.67) = 0.0478…

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Q: 8, 7, 10, 6, 7, 16, 8, 16 Find the mean weight of these cats. If necessary, round your answer to the…

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