Question 2 Using the Empirical Rule, approximately how much probability is between -2 and +2 standard deviations from the mean of normal distribution with mean mu & standard deviation sigma? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.34 0.68 0.95

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A: Let x be the particular fruit's weights which follows normal distribution with mean 670 grams and…

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A: Population proportion, Population standard deviation, Sample size, Sample mean,

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Q: e whether each statement is true or false and briefly explain your answer  You have a sample of 100…

A: It is given that we have a sample of 100 observations from a Normal distribution with an unknown…

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Q: Determine what percentage of your data is within 2 standard deviations of the mean. (Show your…

A: To find what percentage of the data is within 2 Standard deviations of the mean, Chebyshev's…

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A: n=20p=0.35A random variable XBinomial(n=20 , p=0.35)P(X=x)=

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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

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A: Given data normal distributionμ = 1050 mmσ = 400 mmP(1050<x<1300) = ?

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A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

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A: Mean=mu=120Standard deviation =5.6

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A: Let X be the number of heads and n be the number of coins tossed.

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A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: A normal population has mean u=56 and Standard deviation o=8. What is the 85th the population?…

A: We have given that  Mean, μ = 56 Standard deviation, σ = 8

Q: Body temperatures of healthy adults have a bell-shaped distribution with a mean of 98.20°F and…

A: From the provided information, Population mean (µ) = 98.20 Population standard deviation (σ) = 0.62

Q: Yo' = Be + B, Xq+ BeX2+ E O Find 8,,B2 by MLE Find Efe), vant0,), E(B2), varil@e)

A: Introduction -  Maximum likelihood estimation (MLE)- statistically MLE is the method of finding or…

Q: A z-score tells us how many standard deviations a score is from the mean. What is another word for…

A: Measure of central tendency measures the central value of a dataset. Measured of dispersion measures…

Q: The scores of the students in the final examination are normally distributed with a mean of 82 and a…

A: Given M=mean=82, standard deviations σ=6  P(X<75)=?

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A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

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Q: b Find the probability that the college graduate has between $15,050 and $21,200 in student loan…

A: Given  Mean= 25400S Standarddeviation = 10950 Find P(15050<X<21200)=?

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Q: Women are recommended to consume 1890 calories per day. You suspect that the average calorie intake…

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Q: The life of light bulbs is distributed normally. The standard deviation of the lifetime is 36 hours…

A: Answer: From the given data, mean(μ) = 500 standard deviation (σ) = 36 X~ Norma(500,36) at most 508…

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A: Given that lifetime of Duxcell batteries:  X(mu1=10,sigma1=2)lifetime of Infinitycell battery:…

Q: Systolic Blood Pressure Assume that the mean systolic blood pressure of normal adults is 120…

A: From the provided information, Mean (µ) = 120 Standard deviation (σ) = 5.6 X~N (120, 5.6)

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A: Given that Sample size (n)=36 Population mean =29  Standard deviation =12  Then the sampling…

Q: The standard deviation is also called the give-or-take value. True

A: we have to state that the given statement is true or false.  statement : The standard deviation is…

Q: Scores on a math test are normally distributed with a mean of 76 and a standard deviation of 6. Part…

A: Let, X=the scores on a math test Given that X follows a normal distribution with mean=76 and…

Q: A normal population has mean u = 55 and standard deviation o = 9. What is the 84th percentile of the…

A: Given that mean u = 55 and standard deviation o = 9.

Q: Use the Student_Data which consists of 200 MBA students at Whatsamattu U. It includes variables…

A: The given data is entered in excel from Column A to I and row 1 to 101 as shown below ID Gender…

Q: Using Excel function Please solve the following : A particular fruit's weights are normally…

A: Given, A particular fruit's weights are normally distributed, with a mean of 304 grams and a…

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A: x1 = The mean age of slot machine players =50.6x2 = The mean age of roulette players =53.6s1 = The…

Q: The length of time, L hours, that a phone will work before it needs charging is normally distributed…

A: The length of time that a phone will work before it needs charging is normally distributed with  Let…

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A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: Watch the video and then solve the problem given below. Click here to watch the video. The…

A: given data  μ = 12σ = 2.5normal distributionP(7<x<17) = ?

Q: MCAT scores are normally distributed with an average score of 500.5 and a standard deviation of…

A: Given Information:Mean, μ=500.5Standard Deviation, σ=10.5To find out the probabilty of getting a…

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: The sick-leave time of employees in a firm in a month is normally with a f 100 hours and a standard…

A: Given  Mean (mu) = 100 hours Standard deviation = s= 20 hours