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Could you help me answer this question. A soft drink machine
A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally distributed with a standard deviation of 3 ounces. What is the probability of putting less than 30 ounces in a cup? Round your answer to four decimal places. … read more
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24. The Intelligence Quotient (IQ) test scores are normally
24. The Intelligence Quotient (IQ) test scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability that a person would score 130 or more on the test?… read more
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What is the expected value of an absolute difference Are there
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what is the mean for a standard normal distribution and how
what is the mean for a standard normal distribution and how does it compare to the mean of a normal distribution?… read more
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1. A set of 50 data values has a mean of 39 and a variance
1. A set of 50 data values has a mean of 39 and a variance of 9. I. Find the standard score (z) for a data value = 43. II. Find the probability of a data value < 43. I. z(43) = (43-39)/9 = 4/9 = 0.… read more
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normal probability distribution is completely determined by
normal probability distribution is completely determined by its data mean and data standard deviation. Also, the sum of all the probabilities in data distribution is always equal to 1, so the total ar… read more
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Hi Dr. Dan, Im following up with my home work. Its relist
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1) The lifetime of ZZZ batteries are normally distributed
1) The lifetime of ZZZ batteries are normally distributed with a mean of 350 hours and a standard deviation ? of 10 hours. Find the number of hours that represent the 40th percentile. 2) Scores on an … read more
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Assume that that population of heights of female colleg students
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Q1. Given the following information about a hypothesis test
Q1. Given the following information about a hypothesis test of the difference between two means based on independent random samples, which one of the following is the correct rejection region at a sig… read more
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Apopulation has a mean of 84, a standard deviation of 16. Find
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I am stuck on this statistic question can someone help me.... The
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Total points are 30. Points are included with each problem.Included
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In 1999, the average charge for tax preparation by H&R Block,
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Muvee, YOu have been so helpful in the past. I am again stuck
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explain the difference between testing a single mean and testing
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Two hundred raffle tickets are sold. Your friend has 5 people
Two hundred raffle tickets are sold. Your friend has 5 people in her family who each bought two raffle tickets. What is the probability that someone from her family will win the raffle? Answer the fol… read more
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