A manufacturer knows that their items have a normally distributed length, with a mean of 9.1 inches, and standard deviation of 1 inches. If 8 items are chosen at random, what is the probability that their mean length is less than 9.1 inches? (Give answer to 4 decimal places)

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Q: probability that the system will not work.

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Q: A(t) =

A: dAdt=0.05AA(t)=∫0.05Adt=0.05At

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A: Solution: The path diagram of a particular study is given.

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A: Given,∑(X+1)  ;   where X=1,0,1,4

Q: P (Z ≤ 0.77) = [ P(Z > 1.36) = P(-0.70 < Z < 2.06) = |

A: Given that,  Z follow the standard normal distribution Z~N(0, 1)  We have to find the P(Z&lt;=0.77),…

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A: Given data: 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2.5, 2.5, 3, 3, 3, 3, 3, 3, 3, 3, 3.5, 4,…

Q: Paragraph 5 Styles 17 S Editing A manufacturer knows that their items have a normally distributed…

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A: Given that Suppose population 1 is all blue cars sold at used car auctions, and the mean sale price…

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A: given the probability distribution for the discrete random variable in following table; x 5.9 6.4…

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A: The average IQ in a population is 100 with standard deviation 15. We  eed to find the probability…

Q: The 90% confidence interval estimate of is 187 17.1 187 50 18712.82 187 10 Question 19 Suppose Apple…

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Q: 1. For each day of last year, the number of vehicles passing through a certain intersection was…

A: The provided information is  µ=375 σ=25 P(X&gt;425)=P(X-µσ&gt;425-37525)=P(Z&gt;2)=0.0228=2.28%

Q: Sampling distribution Suppose population 1 is all blue cars sold at used car auctions, and the mean…

A: Answer:   Yes

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Q: X 06 23 3 C

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Q: d. What is the probability of spending more than 3.4 days in recovery? e. What is the probability of…

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Q: = Mean of Seedling Characteristics of Wheat Cultivars Affected by Different Level of Salilly

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Q: μ=40.5μ=40.5 grams σ=3.1σ=3.1 grams If one such bearing is removed from the production line and…

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A: The given data is 7) p=0.3, p^=0.4, n=608) p=0.12, p^=0.1, n=499) p=0.53, p^=0.54, n=10010) p=0.28,…

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Q: population mean e. population variance f. population standard deviation. F

A: Here given , Population {2.1 , 3 3 , 7.6 , 8.5} There are 4 elements in Population  N = 4

Q: 2. The test scores, of 16 students are listed below: 44, 46, 51, 57, 60, 63, 65, 70, 75, 76, 85, 87,…

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Q: Twenty years ago, 48% of parents of children in high school felt it was a serious problem that high…

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A: Let μ1 denotes the true average of group 1 and μ2 denotes the true average of group 2.

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