The standard deviation of a variable is 10. If a sample of 75 individuals is selected, Part: 0 / 2 Part 1 of 2 (a) Find the standard error of the mean. Round the answer to three decimal places. Standard error of the mean X

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Q: 19. The 68-95-99.7 Rule. A set of test scores is normally distributed with a mean of 100 and a…

A: Mean()=100standard deviation()=20

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A: X~N( μ , ?)μ=0 , ?=1 (for standard normal distribution)Z-score =( x - μ )/?

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A: 21,21,22,23,24,24,25,25,28,29,29,31,32,33,33,34,35,35,36,36,36,38,38,38,40sample size(n)=25

Q: R(R) 2,250 2,660 I (A) 0.0006 3,400 4,450 6,600 RxI 1.35 1-33 1/1 (A¹) 1-667 0-0005 0.000 Y 0.000 3…

A: 1/I(Ampere-1)R(Ohm)1.66672250226602.534003.3333445056600113000

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A: From the provided information,

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A: Given the data table as

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A: The first class is 41-45. The data shows ages a which a country's presidents were inaugurated.

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A: Given: = 12 years = 2.3 yearsFormula Used:

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A: Total number of eggs = 67+43 = 110Number of female eggs = 67Number of male eggs = 43To test:H0:…

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A: Given model is:y = 0.0132x2 - 51.039x + 49534

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A: From the provided information,

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A:

Q: A Date Jun-08 Sep-08 Dec-08 Mar-08 Jun-09 Sep-09 Dec-09 Mar-09 D Jun-10 1 Sep-10 2 Dec-10 3 Mar-10 B…

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A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

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A:

Q: Day Care Tuition A random sample of 51 four-year-olds attending day care centers provided a yearly…

A: From the given informationsample mean() = $3922Population standard deviation() = $635Sample size (n)…

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A: We have haven thatp = 0.65n = 285

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A: P(T | H) = 0.9  = 0.5(P(H) = 0.8

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A: The given data is as follows:Standard deviation, The hypothesis is as follows:Sample size,

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Q: You measure 45 dogs' weights, and find they have a mean weight of 73 ounces. Assume the population…

A: Sample size n=45Sample mean=73Population standard deviation=9.1

Q: For any probability density function, what value is always the total area under the curve? Choose…

A: For any probability density function , total area under curve = ?

Q: An article in Fortune (September 21, 1992) claimed that nearly one-half of all engineers continue…

A: To find the p-value, we have to calculate the test-statistic first. The z test statistic for…

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A: Let and  have a joint probability mass function .Statement:It is possible that , while .

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A: Given the data on Walmart returns and market returns.Want to calculate covariance?

Q: Suppose that you have the following fitted value: log Income; = 3.2145 + 0.1343 × log Expi (0.0195)…

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Q: nally distributed with mean 0 and a known variance 4, so the value z th is modeled by N(0,4). Based…

A:

Q: An agriculture publication claims that the population mean of the birth weights for all Herdwick…

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A: The seat utilization for the college football stadium can be calculated as follows:1. Total number…

Q: The z-score that corresponds to x is z .= 21 = (Round to two decimal places as needed.) b. The…

A: X~N( μ , ?)μ=31   , ?=4Z-score =( x - μ )/?NOTE:- According to bartleby guidelines expert can solve…

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Q: which alternative hypothesis is appropriate for this test. Ο HA: μι # μ2,t*= -2.021 Ο HA: μι <…

A: The sample size for left-handed is 41 and the sample size for right-handed is 41.

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Q: Frequency tables Age of Individuals: 22, 28, 35, 28, 40, 32, 22, 38, 26, 35, 30, 24, 28, 32, 40, 38,…

A: The age of individuals is given as follows:…

Q: To study the output of a machine that fills boxes with cereal, a quality control engineer weighed…

A: x=weight(ounces)Number of boxes15.3≤X≤15.61115.6≤X≤15.92615.9≤X≤16.28816.2≤X≤16.51616.5≤X≤16.89