Express the confidence interval from 22% to 33.2% in the form of p t MoE. Here, "MoE" means "Margin of Error". Give your answers as percents, rounded to one place after the decifhal. inte

Q: A sample of 3000 persons were surveyed for their weight in pounds, the mean weight is 135 Ibs with a…

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Q: The mean IQ of 500 data science students is 151  and the standard deviation is 15. Assuming that the…

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Q: According to a recent survey, Americans were expected to spend an average of 985.50 hours watching…

A: Given information is : According to a recent survey, Americans were expected to spend an average of…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

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Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1084 adults, 86% said that…

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Q: The level of confidence is %.

A: In a sample of 80 light bulbs, the mean lifetime was 1217 hours with a standard deviation of 53…

Q: The chloride concentration in the blood (mmol / liter) averages 104 with a standard deviation of 5.…

A: Given Data: Let X represent the random variable   X~ Normal (104, 52) n=200 Therefore, X¯ ~ Normal…

Q: A set of exam scores are reported as X values and z-scores. On this exam a score of X = 72…

A: X = 72 corresponds to a z-score = +1.00 and a score of X = 52 corresponds to a z-score = -1.00.  We…

Q: The population Mean is 125 with a st dev of 22.However , the population distribtuon is skewed to the…

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Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given Information: Mean μ=69.0 inches Standard deviation σ=2.8 inches. To find the z-score of a man…

Q: A group of students estimated the length of one minute without reference to a watch or clock, and…

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Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: Given that ,                    sample size n=100                    Mean u=80…

Q: An SRS of 350 high school seniors gained an average of x = 45 points in their second attempt at the…

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Q: Suppose the data represent the inches of rainfall in April for a certain city over the course of 20…

A: From the provided information,n = 20

Q: The average IQ of the adult population is 100. A researcher believes that average IQ of the…

A: The sample mean is calculated as follows: Mean = (69+79+89+99+109)/5           = 445/5           =…

Q: The mean of a test score was 21.2 and the standard deviation was 5.1 . Identify the rest scores that…

A: Given Data Mean µ= 21.2. Standard Deviation σ= 5.1. Assuming that the given data is obtained from a…

Q: Compare the p-value computed to the margin of error =0.05 which is higher…

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Q: 10. Solve the problems. Use the graph for the standard deviation points. In a fishing contest, the…

A: Given that: Mean = 16.40 in Standard deviation = 4.71 in  To determine the percent of the fish…

Q: The mean number of miles driven per vehicle annually in the United States is 12,494 miles. Choose a…

A: Solution-: Let, X= The annual mileage o vehicle in the united states Given:

Q: The mean height of women is 62 inches with standard deviation of 4 inches. What percent of women are…

A: If a random variable x has a distribution with mean µ and standard deviation σ, then the z-score is…

Q: Use the graphing calculator to find the critical value for an 85% level of confidence, Z0.85.…

A: Confidence level, cl = 85%

Q: The mean score of the students on pre-assessments is 10 and the standard deviation is 2. What was…

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Q: What is the mean area in sq. m. of subdivision lots when the standard deviation is 10sq. m. and the…

A: The z-score is referred to as the standard score. It is positive, if it is above the mean, and…

Q: A professor gives a test to her calculus students. The scores are approximately normally distributed…

A: The normal distribution is the most useful theoretical distribution for continuous variables.…

Q: How many miles did you drive in the last 7 days (n = 110)? The mean is 86 and standard deviation is…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard…

A: It is given that the mean is 105 and standard deviation is 15.

Q: the average height on the soccer team is 66 inches with a standard deviation of 3. a z score of -1.6…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: o these calculations using Excel, a graphing calculator, or an app. Type the data in different…

A: The number of observations is 6.

Q: Many students did an exam, the mean was 15 and the standard deviation was 32 The highest mark was…

A: Given Mean μ=15, standard deviation σ=32  X=103

Q: The odds difference = exp((0.15*20)-(0.15*30)), the standard error(se) = 0.06 which is on the scale…

A: From the given information, Consider, odds difference = exp((0.15*20)-(0.15*30)) and  standard…

Q: Fish story: According to a report by the U.S. Fish and Wildlife Service, the mean length of…

A: Given: X: Length of the fish (in mm) X~N(478, 402)

Q: The mean score on a standard test is 450 with a standard deviation of 78. What percent of the test…

A: From the given I formation, Mean score (µ) = 450 Standard deviation (σ) = 78 Thus, the required…

Q: Stanford-binet IQ test scores are normally distributed with a mean score of 100 and a standard…

A: Given that  Stanford-binet IQ test scores are normally distributed with a mean score of 100 and a…

Q: The mean score on a driving exam for a group of drivers education students is 72 points with a…

A: Given information: The mean score on a driving exam for a group of drivers education students is 72…

Q: The mean number of carats for 313 diamonds in a sample data set is 0.506 carats, with a standard…

A: Given,mean, μ = 0.506Standard deviation, σ = 0.145Using formula (Chebyshev's theorem),According to…

Q: In​ 2007, the mean rate of violent crime​ (per 100,000​ people) for 10 regions in the northeast of a…

A: Given, μ=334σ=126 Let X be the violent crime rate X follows normal distribution with mean µ=334 and…

Q: In each part, use the information given to calculate the standard error of the mean. (Round your…

A: From the above data

Q: of error, Claim: The standard deviation of pulse rates of adult males is more than 11 bpm. For a…

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Q: The formula to calculate the standard error of the mean is By You calculated the mean and standard…

A: here mean and standard deviation for 5 measurements.mean=107.67standard deviation =4.92standard…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 101 and a standard…

A: