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8. The life span of a battery is normally distributed, with
8. The life span of a battery is normally distributed, with a mean of 2300 hours and a standard deviation of 50 hours. What percent of batteries have a life span that is more than 2365 hours? What per… read more
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If the random variable z is the standard normal score and P(z
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(1) Find the value of Z such that approximately 9.48% of the
(1) Find the value of Z such that approximately 9.48% of the distribution lide between it and the mean (2)X has a normal distribution with a mean of 80.0 and a standard deviation of 4.0 fine the follo… read more
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susan athena find the area under the standard normal curve A
susan athena find the area under the standard normal curve A P(z>1.87) B P(0… read more
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a.) find the binomial probability P(x 5), where n 15 and
a.) find the binomial probability P(x = 5), where n = 15 and p = 0.50 b.) set, without solving, the binomial probability P(x is at most 5) using probability notation. c.) hoe would you find the normal… read more
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At one site on hte mesa, tree-ring dates give a mean date of
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X has a normal distribution with a mean of 80.0 and a standard
X has a normal distribution with a mean of 80.0 and a standard deviation of 4.0. Find the following pobabilities: (a) P (x < 78.0) (b) P (75.0 < X 82.0)… read more
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I need help with the following questions, and need the answers
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I have a curve with an x1,y1,z1 starting point, as well as
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given the curve k(t) cost,sint,csint for 0 t 2pi, where
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1. The new director of special programs in XYZ Corporation
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The average grade point average (GPA) of undergraduate students
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Suppose we have a population of scores with a mean ( ) of 975
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Given a normal distribution with m 100 and standard deviation
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34. Miles per Gallon. Elena conducts an experiment in which
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#4.4 Can you determine whether the area under the standard
#4.4 Can you determine whether the area under the standard normal curve between z=0.5 and z=1.0 is greater than or less than the area between z=1.5 an z=2.0 Explain. #4.6 (a) What is the linear correl… read more
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You answered a math question that I have a further question
You answered a math question that I have a further question regarding. The original question was: For a particular sample of 50 scores o a psychology exam, the following results were obtained: Mean = … read more
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If we know that the length of time it takes a college student
If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 m… read more
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