Use the normal distribution below for the prices of a high end HD television to answer the question.   if the shaded area represents approximately 95% of the data, what is the standard deviation of this distribution?

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let X be IQ score  from normal distribution with mean (μ) = 100 and standard deviation (σ) = 15

Q: Assume that weights of men are normally distributed with a mean of 160 pounds and a standard…

A: Given, Weights of men follows normal distribution with mean 160 pounds and standard deviation 25…

Q: Identify the data value corresponding to the indicated percentile. The heights of women are normally…

A: According to the provided information,

Q: According to data for a​ population, 3-year-old boys have a mean height of 38 inches and a standard…

A: given data normal distributionμ = 38 inchesσ = 2 inchesfor x = 42 inchespercentile = ?

Q: Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.…

A: Range = Maximum - Minimum

Q: A nutritionist wants to determine how much time nationally people spend eating and drinking Suppose…

A: According to the given information in this question, we need to answer part c

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: alespeople for a solar technology company have average annual sales of $200,000, with a standard…

A: Statistics is a branch of mathematics that gives us the tools to deal with large quantities of data…

Q: What is a common way to measure the center of a distribution of data?   a. scatter plot…

A: The objective of the question is to identify a common statistical measure that is used to determine…

Q: Salespeople for a solar technology company have average annual sales of $400,000, with a standard…

A:

Q: A consumer survey indicates that the average household spends μ = $185 on groceries each week. The…

A: From the provided information, Mean (µ) = $185 Standard deviation (σ) = $25 Let X be a random…

Q: The prices of all college textbooks follow a bell-shaped distribution with a mean of $180 and…

A:

Q: The amount of income taxes that people owe each year varies greatly from person to person because…

A:

Q: The relative frequency histogram represents the length of phone calls on​ George's cell phone during…

A: A histogram is a visual representation of continuous data.

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.4 and a standard…

A: Given,Mean, μ = 96.4Standard deviation, σ = 18Using formula,

Q: e. Use Excel's statistical functions, such as "=average", to get the mean, median, range, variance,…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: A recent study explores the relationship between teacher unions and student educational performance…

A: Given that, A recent study explores the relationship between teacher unions and student educational…

Q: cats is about 3 ounces. Assume that the distribution of birth weights is Normal with a standard…

A: Given that.   X~N( μ , ?)   μ=3    , ?=0.3   Z-score =( x - μ )/?

Q: Draw by hand or in Excel fully labelled curves on a common scale to epresent two sets of scores…

A: a. Mean = 25Standard deviation = 4Mean = 50Standard deviation = 4

Q: The heights of women aged 18 to 24 are approximately normal with a mean of 65 inches and a standard…

A: Given that  X~N(μ= 65 , σ= 2.5 ) μ= 65 , σ= 2.5 Formula for Z-score Z=(X-μ)/σ

Q: The indicated IQ score, x, is (R

A: here mean = 100 standard deviation  = 15  X = IQ score

Q: A recent survey revealed that an American's Christmas spending averaged $1,150. Suppose Americans'…

A: Given that, μ=$1150,σ=$310 Consider that 5% of Americans will spend more than this dollar amount on…

Q: For a given data, calculate the mean, the median, the standard deviation. Show your work, do not…

A:

Q: The average cost of a car rental is $0.32 per mile.  The standard deviation is $0.03.  Using…

A: Range = μ - kσ ,  μ + kσ

Q: According to a recent survey, the salaries of assistant professors have a mean of  $40,756  and a…

A:

Q: The middle 50% of the heights are between what two values? Round to one decimal place.

A: Here Given, Assume that women have heights that are normally distributed with a mean of 63.6 inches…

Q: Use a normal distribution table or a statistical calculator to answer this question. A farm…

A:

Q: Identify the data value corresponding to the indicated percentile. The amount of sleep an adult gets…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults doors, and those…

A: Here we need to find the indicated iq score.

Q: The per capita consumption of chicken rose from 36.9 pounds in 1965 to 90.1 pounds in 2015 according…

A: A) Mean is average of all data points. x = 110+93+......+86/152 = 86 Standard deviation  =…

Q: For a certain type of job, it costs a copany an average of $231 to train an employee to perform the…

A: From the provided information, Mean (µ) = 231 Standard deviation (σ) = 5