The distribution of weights of 9-ounce bags of a particular brand of potato chips is approximately normal. The mean is 9.2 ounces and the standard deviation is 0.12 ounces. Use the Empirical Rule (68-95-99.7 Rule) to answer the questions below. The percentage of bags weighing between 9.08 and 9.32 ounces is The percentage of bags weighing between 8.84 and 9.2 ounces is %. The percentage of bags weighing less than 9.32 ounces is The percentage of bags weighing more than 9.44 ounces is

Q: Find the 30th percentile of the blood pressures. Find the 67th percentile of the blood pressures.…

A: Consider a random variable X which represents the diastolic blood pressures of adult women in the…

Q: Find the IQ Score.  IQ score  0.3446 Distributed with a mean of 100 and a standard deviation of 15.…

A: Given DataMean = 100Standard deviation = 15Probability of IQ score of adults = 0.3446

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69…

A: Solution:The empirical rule for any normal distribution is given below.68% of the observations fall…

Q: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A:

Q: You are estimating the mean size of farms in New Hampshire.  You want your 95% CI to have a margin…

A: The formula for the sample size is as follows:

Q: In a Normal distribution 7% items are under 35 and 89% are under 63. Find its mean and standard…

A:

Q: z-score Percentile z-score Percentile z-score Percentile -3.0 0.13 -2.0 2.28 -1.0 15.87 -2.9 0.19…

A: It is given that  Mean = 24.8 Standard deviation = 2.5 Z-Score, Z = ( X - μ )/σ

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

Q: You measure the height of 10 people and come up with an average of 70 inches and a standard…

A: x=70s=4n=10 The t scores for 68 inches, t=68-xsn=68-70410=-1.581139

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A:

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The…

A: Given that  The residence in Carmel to the IUPUI campus has a normal distribution.  Standard…

Q: For a particular process, the mean value is 1.832 and the standard deviation is 0.021.  Find the…

A:

Q: Scores range from 0 to 200. The mean for Canadian college students is about 115, and the standard…

A: The given data is as follows:Population mean, Population standard deviation, Sample size, Sample…

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: Using a spectrophotometric analytical technique, the glucose concentrations in a patient with mildly…

A: Given that  The data are 16.67, 16.66, 16.64, 16.30, 16.31, 16.70

Q: USE A CALCULATOR  In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8…

A: Hey, since there are multiple subpart questions posted, we will answer first three subpart…

Q: The weights of the native North American Blue Jay have a mean of 18.4 ounces with a standard…

A:

Q: Assume that a normal distribution of data has a mean of 16 and a standard deviation of 3.Use the…

A: Population mean =16  Standard deviation =3  We have to find the percentage of values lies

Q: The heights of tomato plants are Normally distributed with a mean of 3.56 feet and a standard…

A: Given Mean =3.56 Standard deviation=0.25

Q: A survey of 16 entergy drinks noted the caffeine concentration of each drink in milligrams per…

A: Mean: For a set of n observations, x1, x2, ... , xn mean is given by, Standard deviation: For a set…

Q: ind the percentage of area under a normal curve between the mean and the given number of standard…

A: The mean and standard deviation of the standard normal distribution are 0 and 1.

Q: the amount of pretzels dispensed into a 24 ounce bag by the machine has been identified as…

A: Define the random variable X as the amount of pretzels follows normal distribution with a mean of…

Q: A quantitative data set has a size of 50. At least how many observations lie within seven standard…

A: Suppose X is a random variable with expectation, μ and standard deviation, σ. Then, for any positive…

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: Scores on the Wechsler Adult Intelligence Scale for the 20 to 34 age group are approximately…

A:

Q: 20, 23, 25, 28, 30, 32, 35, 35 Mean = Median = Mode = Standard Deviation II

A:

Q: The distribution of IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100…

A: The random variable IQ follows normal distribution. We have to find the probability of people who…

Q: Give the TI commands to find the mean, median, and standard deviation and compare to the original…

A: TI Calculator

Q: SAT tests have a mean of 500 and a standard deviation of 100. They are normally distributed. Amy got…

A: Given data normally distributed with mean = 500 and standard deviation = 100.Let ‘X’ be a normal…

Q: Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard…

A: Let X be the random variable from normal distribution with mean (μ) = 110 and standard deviation (σ)…

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Given  Population mean μ=98.6, standard deviations σ=0.27, P(X<a)=0.95 Find a

Q: A sample of data is given as below:3, 5, 7. What is the standard deviation

A: The formula for sample standard deviation is,

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 68…

A: Given : x¯=68s=4 The Empirical Rule states that 99.7% of data observed following a normal…

Q: The distribution of heights in a population of women is approximately normal. Sixteen percent of the…

A: given data  normal distribution empirical rule: approximately 68 -95 -99.7% data fall within 1σ…

Q: Nurse 3 4 4 5 3 4 What is your conclusion? We cannot reject Tax Auditor Fast-Food Worker 6 8 4 6 8 6…

A: The given data is Nurse Tax Auditor Fast-Food Worker 3 5 6 4 6 8 4 4 4 5 4 6 3 7 8 4…

Q: Let X₁, X2, X3,..., Xn denote a random sample of size n from the population distributed with the…

A: We have to find e .. whatever λ^ is a uniform minimum unbiased estimator of λ f.. whatever of not…

Q: The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An…

A: Given : Claim : Treatment can reduce this figure significantly.

Q: A government sample survey plans to measure the total cholesterol level of an SRS of men aged 20-34.…

A: Given- X~ N(182,37)μ=182σ=37

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.