Gülce spends 8 hours for Roblox per day. If the probability of spending less than 6 hours in a particular day is 16.11%, what is the standard deviation of the distribution? You are required to draw the grap

Q: set of data has a histogram that is extremely skewed, what does this tell you about the data and how…

A: A set of data has a histogram that is extremely skewed, we have to estimate the distribution of the…

Q: middle 99.7% of car costs are between what values

A: Given that  Mean(μ) = $22,000 Standard deviation (σ) = $2000   We know that  68-95-99.7 Empirical…

Q: After 8 points are added to each score in a sample, the mean is found to be M = 40. What was the…

A: Let us have n number of scores in a sample. After adding 8 to each score sample mean will be M = 40…

Q: Suppose the mean percentage in Algebra 2B is 70% and the standard deviation is 8%. What percentage…

A: GivenMean(μ)=70%standard deviation(σ)=8%

Q: College Professors have incomes with a standard deviation that is more than $21,000. A recent study…

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Q: Micheal invested $2000 in a certain stock. At the end of the year the stock could be worth $1600,…

A: Given: Micheal invested $2000 in a certain stock. At the end of the year the stock could be worth…

Q: Jack owns a small neighborhood convenience store and has years of data tracking the most popular…

A: Given,mean(μ)=49standard deviation(σ)=7.1and n.of papers jack sold (X)=76

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: Greg is in his first semester at a university and is taking a calculus course with a large…

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Q: What would be the effect on the standard deviation of the set of scores 13, 14,15, 15, 16, and 17 if…

A: We have to find effect of membres on standard deviation.

Q: .. Lori just bought a set of 4 tires for her car. The life of a tire is normally distributed with a…

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Q: Molly earned a score of 920 on a national achievement test. The mean test score was 825 with a…

A: Given that, The proportion of students had a higher score than Molly is,

Q: Enter all answers to the nearest tenth. A day care program has an average daily expense of $75.00.…

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Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: Dizzy Lincoln. The text describes a penny-spinning experiment. The graph below shows the theoretical…

A: The objective of the question is to determine if the observed results of a penny-spinning experiment…

Q: Solve the problem. The probability that an individual is left-handed is 0.18. In a class of 90…

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Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

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Q: The summary data from study demonstrates a stronger relationship between how many minutes per day a…

A: Given : A standard deviation is a measure of how dispersed the data is in relation to the mean. Low…

Q: Laura learned that the average GPA in her school is 3.6 with a standard deviation of 0.3. If her GPA…

A: From the given information,   Mean = 3.6 Standard deviation = 0.3   The objective is to find the…

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: Decide if the following statement is true or false. Explain why. It is possible to have a standard…

A: We need to decide if the given statement that " It is possible to have a standard deviation of -2…

Q: You want to know the percentage of utility companies that earned revenue less than 39 million or…

A: Given data You want to know the percentage of utility companies that earned revenue less than…

Q: . A distribution has a coefficient of variation of 65% and mean of 47. What is the value of the…

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Q: Explain why rolling a die until 3 shows can be modeled by a geometric distribution

A: An experiment consists of rolling a single die.  The event of interest is rolling a 3: this is…

Q: William revealed that he makes 1,000,000 dollars annually. The average annual income in the country…

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Q: Suppose the mean percentage in Algebra 2B is 70% and the standard deviation is 8%. What percentage…

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Q: One hundred students took a midterm exam designed to measure knowledge of statistics. Their scores…

A: Solution: Let X be the scores. From the given information, X follows normal distribution with mean…

Q: Justin got a score of 85 on an GE MMW examination for which the mean is 75. Justin realized that the…

A: Given:Here use the formula;here,  represents the value of Standard Daviation.

Q: We are asked to find the values that separate the middle 60% of the population from the top and…

A: In a normal distribution, the z-score is a measure of how many standard deviations an element is…

Q: A distribution of scores has a mean of 51.5, a median of 51.2, and a mode of 51. Based on this…

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Q: people where sampled and their heights were recorded, it was discovered mean height was 5 feet and…

A: Given that  Population mean μ =5 feet 6.3 inches =66.3 1feet=12 inches  5feet=12×5=60+6.3=66.3…

Q: in a frequency distribution the coefficient of skewed ness based on quartiles is 0.6. it the sum of…

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Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: If you score 76 on a commercial pilot exam that has a mean score of 70 and a standard deviation of…

A: We have to find given percentile ....

Q: A machine makes sticks of butter whose average weight is 4.0 ounces. The SD of the weights is 0.05…

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Q: The average hourly wage for manufacturing workers in the United States is $16.08 per hour, with a…

A: For the distribution (specified to be normal) of the hourly wage (in ) for manufacturing workers in…

Q: The weekly mean income of a group of executives is $1,000 and the standard deviation of this group…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.