The amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.1 minutes and standard deviation 1.4 minutes. Suppose that a random sample of n = 50 customers is observed. Find the probability that the average time waiting in line for these customers is (a) Less than 10 minutes (b) Between 5 and 10 minutes (c) Less than 6 minutes Round your answers to four decimal places (e.g. 0.9876). (a) The probability is i (b) The probability is i (c) The probability is i Statistical Tables and Charts

Q: 1 44.95

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A: From the given numbers:   i) 25⇒0.4ii) 0.44iii) 0.5iv) 38⇒0.375

Q: 95° 6.

A:

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A: Y=4,8,5,2,4,4,5  X=14,10,14,6,10,4,12

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A:

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Q: 15. 58

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A: According to the question : Monday earning = $9Tuesday earning = $7Wednesday earning = $5Thursady…

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A: given amount of Dye=0.25 milliliter amount of water =12.3 milliliter

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A: We have to find value of x

Q: 7.89 try it

A:

Q: 120

A: Given,

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A: Given: To Find: The value of x

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A: As per Bartleby guideline expert have to answer first question only dear student please upload other…

Q: Consider a normal population mean of 82 and population standard deviation of 7.3. Calculate the…

A: The mean is 82 and the standard deviation is 7.3.

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A: b

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Q: Write 2/8 in the lowest turns

A: Given Data: Given Ratio: 28 Factorise 8 in terms of 2. 8=2×2×2