Question 7 <> The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 42 ounces and a standard deviation of 6 ounces. Use the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 95% of the widget weights lie between and b) What percentage of the widget weights lie between 24 and 54 ounces? c) What percentage of the widget weights lie below 48 ? Question Help: D Video D Post to forum E Calculator Submit Question

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped with a mean…

A: We have given that  Mean=mu=37 , standard deviation=sigma=5 X~Normal(mu=37,sigma=5)

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1915 votes per district…

A:

Q: A sample of blood pressure measurements is taken from a data set and those values​ (mm Hg) are…

A: Solution The mean for systolic is higer than median Also The mean for Diastolic is higer than median…

Q: The test scores of students are listed below. 41 45 46 53 57 59 63 68 69 70 71 74 74 75 79 80 82 83…

A: Given information: The data for the test scores of 21 students are given.

Q: 5. Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a…

A:

Q: ou When bears were anesthetized, researchers measured the distances (in inches) around their chests…

A: We have to find that which test is use...

Q: 20. Find the mean and standard deviation of the following data:

A: Class Frequency 1 - 5 2 6 - 10 5 11 - 15 2 16 - 20 1

Q: What is the distribution of X? X N( Is 1936 a population mean or a sample mean? Select an answerv…

A: According to our guidelines we are solving only first three sub-parts of a question and the rest…

Q: The mean value of lan and buildings per acre from a sample of $1200, with a standard deviation of…

A:

Q: Question 2 When computing descriptive statistics for variables measured on a categorical scale, we…

A: When computing descriptive statistics for variables measured on a categorical scale, we run.......

Q: meis is takeh fröm a data set and those values (mm Hg) are listed below. The values are matched so…

A: Given data, For systolic: 96,125,145,99,146,100,103,117,144,126   For diastolic:…

Q: Which of the following statistics would be helpful for measuring dispersion? (the spread

A: Given problem Given that   Which of the following statistics would be helpful for measuring…

Q: 1.Determines in a table, the average, median and standard deviation of each of the distributions to…

A: From the given information: Age Girl reaction time Boy reaction time 8 5 47 9 5 46 10 48 44…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1927 votes per district…

A: Hii ! Thanks for posting the question . Since your question has more than three subparts , we have…

Q: 13. In a survey, respondents were asked to indicate their total number of years of schooling.…

A: I solved exactly first three subparts because of bartleby policy if you want more please uplode…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1871 votes per district…

A: a) The distribution of x is normal distribution. x~Nμ ,σ2

Q: A police radar gun is used to measure the speeds of cars on a highway. The speeds of cars are…

A:

Q: Identify the data set’s level of measurement. “The average daily temperature (in degrees Fahrenheit)…

A: There are four levels of measurement. Nominal Ordinal Interval Ratio The variables are divided…

Q: Find the following measures of dispersion using the following lists of average monthly temperatures…

A: Data for two groups is given. We have to check which data set has more variability according to…

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A:

Q: The weights of 6 month-old girls in the United States are Normally distributed with a mean of…

A: From the provided information, Mean (µ) = 16 pounds Standard deviation (σ) = 2 pounds Let X be a…

Q: Blocking refers to the idea that the variability in a variable can be reduced by segmenting the data…

A:

Q: t problem. Use the empirical rule

A: According to the empirical rule, approximately 95% of the observations fall within 2 standard…

Q: answer a b c

A: here we use empirical rule  From given data we have : mean =45 SD = 9 Approx. 99.7% of the data lies…

Q: A survey found that women's heights are normally distributed with mean 63.6 in and standard…

A: The sample mean [x] =63.6The standard deviation [s] =2.3

Q: The length of human pregnancies from conception to birth varies according to a distribution that is…

A: Given mean =266 days standard deviation =16 days.

Q: Internet Service Providers The amount that households pay service providers for access to the…

A: For the distribution of internet service fees (which is stated to be not normal), it is given that:…

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widge…

A: Given : Mean , μ = 62 oumcesStandard deviation , σ = 8 ounces 68% of data falls within the first…

Q: 16. Provide evidence that the sample proportion follows a normal distribution.

A: Given information: n = 125  p = 0.58  po = 0.65

Q: The scores of students on a standardized test are normally distributed with a mean of 300 and a…

A:

Q: Which of the following are measures on positions of a data seta the maximum the standard deviation…

A: Solution : Measures on positions of a data sets - Positional measures are also referred as measures…

Q: 7. A group of fish specialists are trying to gain information about the population of trout in a…

A: