Math Homework

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1. A bowl contains six blue marbles, five red marbles, and
1. A bowl contains six blue marbles, five red marbles, and ten yellow marbles. Three marbles are chosen without replacement. What is the probability that the marbles are chosen in this order: red, yel… read more
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Forty-three percent of women in the United States say that
Forty-three percent of women in the United States say that their husbands never help with household chores. You randomly select sixteen women and ask if their husbands help with household chores. What… read more
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1. Twenty percent of adults are currently on a diet. You
1. Twenty percent of adults are currently on a diet. You randomly select seven adults and ask them if they are currently on a diet. What is the probability that three of them will be on a diet?… read more
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A scientific study is being done on ten guinea pigs, six of
A scientific study is being done on ten guinea pigs, six of which are pregnant. If three different guinea pigs are randomly selected, what is the probability that they are all pregnant? Using the same… read more
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sample 25 51 81 17 68 find the simple mean and the standard
sample 25 51 81 17 68 find the simple mean and the standard deviation. Bob's height is 7.4 in. In his sports team the mean height is 71in, and the standard deviation is 3in. bill's height is 76in. In … read more
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Data Set: 9 11 12 15 18 19 21 27 29 30 35 45 52 52 60 67 73
Data Set: 9 11 12 15 18 19 21 27 29 30 35 45 52 52 60 67 73 79 81 87 Arrange the data set in 5 classes: Choose the class width. Define the class limits (lower and upper), class midpoints, class freque… read more
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46. The annual commissions earned by sales representatives
46. The annual commissions earned by sales representatives of Machine Products, Inc., a manufacturer of light machinery, follow the normal probability distribution. The mean yearly amount earned is \$4… read more
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For Scott, Scott if you have some time I would like to get
For Scott, Scott if you have some time I would like to get 13 questioned answered before July 21 lastest July 22, If you get to it earlier that would wonderful. I will surely have a nice bonus for you… read more
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8. The weight of a product is normally distributed with a standard
8. The weight of a product is normally distributed with a standard deviation of .8 ounces. What should the average weight be if the production manager wants no more than 1% of the products to weigh mo… read more
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1. The test grades for twelve students in a certain statistics
1. The test grades for twelve students in a certain statistics class are: 87, 60, 72, 98, 99, 59, 67, 94, 92, 89, 93, 100 a] The mode is______ because ________________________________________________ … read more
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a researcher investigating which of 2 newly developed truck
a researcher investigating which of 2 newly developed truck oils is better at prolonging the life of an engine. Since there are a variety of engine oils, 20 different types were randomly selected and … read more
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The length of time patients must wait to see a doctor in a
The length of time patients must wait to see a doctor in a local clinic is uniformly distributed between 15 minutes and 2 1/2 hours. a. What is the probability of a patient waiting exactly 50 minutes?… read more
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3. The following data consists of shoe sizes for six UC students 9,
3. The following data consists of shoe sizes for six UC students: 9, 6.5, 8, 8.5, 7.5, 8.5 3a. Find the mean shoe size for these six students. 3b. Find the standard deviation of the shoe sizes. 4. The… read more
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Colgate-Palmolive, Inc., recently developed a new toothpaste
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1. Your firm manufactures computers. You are sent a very larg
1. Your firm manufactures computers. You are sent a very large shipment of chips by a supplier. You want to accept this shipment only if ten percent or less of the chips are defective, which is the su… read more
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For Scott The New York City Parks Department engineering
For Scott: The New York City Parks Department engineering division has been fixing leaking pools all over the city. However, 15 percent of the fixed pools still have leaks, which is abnormally high. T… read more
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Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively.
Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal di… read more
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A trucking company claims that the mean weight of its delivery
A trucking company claims that the mean weight of its delivery trucks when they are fully loaded is 6,000 pounds and the standard deviation is 150 pounds. Assume that the population follows the normal… read more
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